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Embedded HTML

Embedded HTML is disabled except for >br< and HTML comments.

Block Quotes

You can insert quotes by preceeding each line with >.
like in this example/test.
yet another quotation line.

Task lists

  • Task 1
  • Task 2
  • Task 3
  • Regular list item

Tables

Column 1 Column 2 Column 3 Column 4
default left center right

Table of image file types

Header Mime type Extensions Description
89 50 4E 47 0D 0A 1A 0A image/png png PNG image
47 49 46 38 39 61 image/gif gif GIF image
FF D8 FF image/jpeg jpg jpeg JPEG image
4D 4D 00 2B image/tiff tif tiff TIFF image
42 4D image/bmp bmp Bitmap image
00 00 01 00 image/x-icon ico Icon image

TESTS START

Apropos:

Some low-level mardown parsing follows:

TEST: scaped p and html tags must be displayed properly:

<p> <html>
└───┬────┘
(vs hidden as html tags)

TEST: MAP ONE-TO-ONE TO DOCUMENTATION:

[[{DOC_HAS.KEY-POINT]]

  • By reading the tests you can learn how to write txt files compatible with the TXT World Domination Project.
  • By documenting the tests we (developers) can have up-to-date documentation for users in a single place. [[}]]

TEST: dimensions and coordinates

|[[{ topic01.1,{ topic01.2,{ topic01.3]]  <- · topics(dimensions) and subtopics (coord.) must be
|Lorem Ipsum │ topic01.2 │ topic01.3           detected properly and rendered into menu->topics
|│ topic01.1 │ topic01.2 └ topic01.3 [[}]]   · Concatenated blocks declatarions must work properly.
 │ topic01.1 └ topic01.2 [[}]]               · Termination of blocks must work properly.
 │ topic01.1                                   When selecting topic01.3, topic01.2, tests01.1
 └ topic01.1 [[}]]                             only the corresponding text inside each block
    [[{ topic01.1 ]]                           topic01.1 belongs to level 1 block.
      │        [[{ topic01.2]]                 topic01.2 belongs to level 1 and 2 blocks.
      │          │        [[{ topic01.3]]      topic01.3 belongs to level 1, 2 and 3:
      │ topic01.1 │ topic01.2 │ topic01.3
      │ topic01.1 │ topic01.2 └ topic01.3      TEST: Select topic01.3 in menu. Level 3 block
      │ topic01.1 │ topic01.2 [[}]]                 must be displayed.
      │ topic01.1 └ [[}]]                      TEST: Select match parent-blocks up to 1
      │ topic01.1                                    level 2 and 3 block must be displayed.
      │ topic01.1                              TEST: Select match parent-blocks up to 2
      └ [[}]]                                       level 1, 2 and 3 block must be displayed.
  ┌─[[{topic02. 1.]]  <- TEST: must be parsed as topic02.1
  └─[[}]]                     ignoring whitespaces and final dots(TODO:fix)

TEST subdimensions

┌─[[{topic03]]       topic03.1      <- TEST: selected topic03 must also de/select
└─[[}]]              topic03.1               topic03.*
┌─[[{topic03.1]]     topic03.1      <- TEST: selected topic03.1 must also de/select
└─[[}]]              topic03.1               topic03.1.*
┌─ [[{topic03.1.1]]  topic03.1.1    <- TEST: selected topic03.1.1 must also de/select
└─ [[}]]             topic03.1.1             topic03.1.1.
┌─ [[{topic03.1.1.1]]topic03.1.1.1
└─ [[}]]             topic03.1.1.1
┌─ [[{topic03.2]]    topic03.2
└─ [[}]]             topic03.2

TEST: Avoiding clonflicts with Shell-script syntax:

[[{forbidden_topic.$}]]            <- TEST: topics including '$' character must be ignored
[[{$forbidden_topic} ]]               to avoid synxtax conflicts with shell conditional-expressions
[[{forbidden_topic $}]]               if [[ ... ${SOME_VARIABLE} ... ]]
                                      (This is also useful to create "comments" inside tags)
   └──────┬────────┘
          └ those topics must not appear in topics menu.

TEST: grep regex search '*grep.*gex' must display this line.

TEST: Unicode and AsciiArt by extension must display properly

(blame OS of if it doesn't).

| │ ┌─────┐┌─────────┐┌─────┐ │ ┌─┬─┬┈┈┈┈┬╌──┬─┐ ┐┎─┰┄─┄┰┅┅┒
| │ │socks││underwear││shirt│ │ │ ┊ ┆╌╌╌╌│     │ ╵┃ ┃   ┃  ┃
| │ └┬────┘└┬─┬──────┘└┬─┬──┘ │ │ ┊ ┆    │   │ │ │┃ ┃   ┃  ┃
| │  │      │┌v─────┐  │┌v──┐ │ │ ┊ ┆    │   │ │ │┃ ┃   ┃  ┃
| └───────────────────────────┘ ├─┼─┼────┼───┼─┤ ┤┠─╂───╂──┨
|                               └─┴─┴────┴───┴─┘ ┘┖─┸───┸──┚
| ╔═╦═╗  ╓──╥──╖ ╒══╤══╕ ⎧ ⎧  ⎫
| ║ ║ ║  ║  ║  ║ │  │  │ ⎪ ⎪  ⎪
| ╠═╬═╣  ╟──╫──╢ ╞══╪══╡ ⎪ ⎨  ⎬
| ║ ║ ║  ║  ║  ║ │  │  │ ⎪ ⎪  ⎪
| ╚═╩═╝  ╙──╨──╜ ╘══╧══╛ ⎭ ⎩  ⎭

topic0, topic5 outside any block and must NOT be displayed [[topic0,topic5]]

in topics menu.


. . . ENOUGH WITH TESTING. TIME FOR ...

TXT World Domination Ammunition !!!

| World Domination Tools !!!
|
|   World Domination !!!
|
|      WORLD DOMINATION !!!
|
|      W O R L D    D O M I N A T I O O O O O O O N ! ! !
|
|               Ah Ah Ah Ah Ah Ahhhh !!!! >:Ḑ-+-<

TXT Diagrams

| ┌ <https://arthursonzogni.com/Diagon/>  ───────────────────────────────────────┐
| │  Quickly create sequence Diagrams, GRAPHs, FlowCharts, Tables, ....          │
| │  ┌─ Gallery ───────────────────────────────────────┐                         │[[{]]
| │  │ DIRECTED ACYCLIC GRAPH    │ SEQUENCE DIAGRAM    │                         │[[doc_has.diagram,doc_has.template.UML]]
| │  │                           │                     │                         │[[doc_has.template.math,PM.low_code]]
| │  │ ┌─────┐┌─────────┐┌─────┐ │ ┌─────┐       ┌───┐ │                         │[[tool.online,tool.desktop]]
| │  │ │socks││underwear││shirt│ │ │Alice│       │Bob│ │                         │
| │  │ └┬────┘└┬─┬──────┘└┬─┬──┘ │ └──┬──┘       └─┬─┘ │                         │
| │  │  │      │┌v─────┐  │┌v──┐ │    │ Hello Bob! │   │                         │
| │  │  │      ││pants │  ││tie│ │    │───────────>│   │                         │
| │  │  │      │└┬──┬──┘  │└───┘ │    │Hello Alice!│   │                         │
| │  │ ┌v──────v─v┐┌v─────v┐     │    │<───────────│   │                         │
| │  │ │shoes     ││belt   │     │ ┌──┴──┐       ┌─┴─┐ │                         │
| │  │ └──────────┘└───────┘     │ │Alice│       │Bob│ │                         │
| │  │                           │ └─────┘       └───┘ │                         │
| │  │───────────────────────────┼─────────────────────│                         │
| │  │  TREE EXAMPLE             │   MATH EXPRESSION   │                         │
| │  │  Linux                    │                     │                         │
| │  │   ├─Android               │    1            3   │                         │
| │  │   ├─Debian                │    ⌠  2        n    │                         │
| │  │   │  ├─Ubuntu             │    ⌡ x  · dx = ──   │                         │
| │  │   │  │  ├─Lubuntu         │    0            3   │                         │
| │  │   │  │  └─Xubuntu         │                     │                         │
| │  │   │  └─Mint               │                     │                         │
| │  └─────────────────────────────────────────────────┘                         │
| └──────────────────────────────────────────────────────────────────────────────┘[[}]]

Asciiflow: Box-like drawing with TXT

| ┌ <https://asciiflow.com/#/> (Free BOX-like TXT Drawing)  ─────────────────────┐[[{]]
| │         ┌───────┐    ┌──────┐     IO PORTS                                   │  [[doc_has.template.diagram]]
| │         │xxxxxxx│    │xxxxxx│     ┌┐┌┐ ┌┐┌┐                                  │  [[doc_has.template.UML]]
| │         │xxxxxxx│    │xxxxxx│     ││││ ││││                                  │  [[tool.online]]
| │   ┌─────┴───────┴────┴──────┴─┬───┴┴┴┴┬┴┴┴┴┐                                 │
| │   │ ┌─Comp.1────┐             │┼┼┼┼┼┼┼│    │                                 │
| │   │ │           ├────────┐    └───────┘    │                                 │
| │   │ ├───────────┘        │                 │                                 │
| │   │ │ ┌──────────┐       │                 │                                 │
| │   │ └─► GPU UNIT │       │     ┌─Dev.9─────┤                                 │
| │   │   └─────┬────┘       │     │consectetur│                                 │
| │   │      ┌──┴────┐  ┌────┴────┐└───────────┤                                 │
| │   │      │ CACHE │  │ ETH.DEV │  ┌Dev.10───┤                                 │
| │   └──────┴───────┴──┴─────────┴──┴─────────┘                                 │
| └──────────────────────────────────────────────────────────────────────────────┘ [[}]]

CSVkit: TXT as database

| ┌ <https://csvkit.readthedocs.io/en/latest/>  ─────────────────────────────────┐ [[{]]]
| │ Convert from/to CSV/Excel/SQL-DDBB.      [[tool.desktop,doc_has.CSV]]]       │
| │ Query CSV using SQL.                                                         │
| │ No-code statistics on CSV data.                                              │
| └──────────────────────────────────────────────────────────────────────────────┘ [[}]]

GNU Text Utils: Standard TXT utilities in Linux/MacOSX

| ┌  <http://gnu.ist.utl.pt/software/textutils/textutils.html> ──────────────────┐ [[{tool.desktop]]]
| │  sort     : sort lines of text files                                         │
| │  tsort    : perform topological sort                                         │
| │  uniq     : remove duplicate lines from a sorted file                        │
| │  join     : join lines in two files based on common field                    │
| │  ptx      : produce permuted index of file contents                          │
| │  cut      : remove columns on each line                                      │
| │  ...                                                                         │
| └──────────────────────────────────────────────────────────────────────────────┘ [[}]]

ASCiinema: TXT Video recording

| ┌  <https://asciinema.org/> ASCII VIDEO ───────────────────────────────────────┐ [[{]]
| │ Record+share terminal sessions, the simple way.                              │ [[tool.desktop,tool.online]]
| │ Enjoy a lightweight, purely text-based approach to terminal recording.       │ [[security.audit]]
| │ Example:  <https://asciinema.org/a/421164>                                   │
| └──────────────────────────────────────────────────────────────────────────────┘ [[}]]

Vim Editor: The King of Text:

| ┌─ vim: Then King of text ─────────────────────────────────────────────────────┐ [[{tool.desktop]]
| │ · Use Ctrl + V for visual block mode ("Paint mode")                          │
| │ · Pass selected text as STDIN to external txt-command and                    │
| │   replace it with external txt-command's STDOUT with                         │
| │   :.!txt-command                                                             │
| │ · Quick create macros with qq ... (macro) ... q                              │
| │ · Navigate among block start/end curly braces with                           │
| │   Alt key + '[' + '{' : Jump to block start.                                 │
| │   Alt key + '[' + '}' : Jump to block end.                                   │
| │ · Transform selected text to shell script / tool pipeline with               │
| │   :.!sh              <- Interpret selected input as shell script.            │
| │                         replace selection with execution result.             │
| │   :.!fold -w 70 -s   <- fold is standard in POSIX like systems.              │
| │                         Any other tool/script accepting STDIN as             │
| │                         input and writing results to STDOUT will             │
| │                         work.                                                │
| └──────────────────────────────────────────────────────────────────────────────┘ [[}]]

GNU Core Utils: Txt standard formating tools in Linux/MacOSX

| ┌─ <https://www.gnu.org/software/coreutils/> ──────────────────────────────────┐ [[{tool.desktop]]
| │ · fold: Wrap input lines to fit in specified width                           │
| │ · fmt : Reformat paragraph text                                              │
| │ · pr  : Paginate or columnate files for printing                             │
| └──────────────────────────────────────────────────────────────────────────────┘ [[}]]

TXT Bullets

[[{doc_has.template,doc_has.template.bullets]]

| ┌─────────────────────────────────────────┐
| │ Bullets   : · • ●                       │
| │             ○ ◉ ◙ □   ■    ◔ ◗          │
| │             ◦ ◌ ◎ ▫ ◘ ▪    ● ◕          │
| │   SubIndex: ₀₁₂₃₄₅₆₇₈₉₊₋₌₍₎ₐₑₒₓₔₕₖₗₘₙₚₛₜ│
| │ SuperIndex: ⁰¹²³⁴⁵⁶⁷⁸⁹⁺⁻⁼⁽⁾ⁱⁿ           │
| └─────────────────────────────────────────┘
|  ◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛
|  ◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡
|    ▲      ▴      ▵      ◓    ◸ ◹   ◜ ◝
|  ◄ ■ ►  ◂ ▪ ▸  ◃ ◊ ▹  ◐   ◑   ◦
|    ▼      ▾      ▿      ◒    ◺ ◿   ◟ ◞
|  ◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡◠◡
|  ◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛◚◛
|  ▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯
|  ▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮

[[}]]

TXT Arrows

[[{doc_has.template.arrows}]]
| ┌ <https://en.wikipedia.org/wiki/Arrows>
| │ (Unicode_block) │
| │ ↖ ↑ ↗  ↔ ↕ ↨    │
| │ ← ↑ →           │
| │ ↙ ↓ ↘           │
| └─────────────────┘

TXT UML

[[{doc_has.template.UML}]]
| ┌ UML (Unified Modeling Language) TXT template ───────────────┐ 
| │  ┌────────────┐   message      ^ dependency  |              │
| │ ─┼─ UML       │   ─────────►   | ----------> |              │
| │ ─┼─ Component │                | dependency  |              │
| │  │            │                | <---------- v              │
| │  └────────────┘                                             │
| │  ╭─────╮ ● Initi.state   ◄──  ASSOCIATION ──►  ▲            │
| │  │state│ ◉ Final.state                         │            │
| │  ╰─────╯                                       ▼            │
| │                                                             │
| │ * GENERALIZATION     │^   * REALIZATION  ^                  │
| │     par.<───── child ││     ○<╴╴╴╴...   ┆┆                  │
| │     child ────> par. v│     ···╶╶╶╶>○   v                   │
| │   "IS A" inheritance        ○ Interfaz                      │
| │                             ··· Implementation              │
| │ ● DELEGATION:                                               │
| │  par.◊───── child          ┌────────┐         ┌────────┐    │
| │                            │ClassA  │       ┌─│ Shape  │    │
| │  Makes child part of       ├────────┤       │ ├────────┤    │
| │  parent class by using     │ shape  ·◊──────┘ │ ...    │    │
| │  aggregation.              ├────────┤         ├────────┤    │
| │                            │ draw() │         │ draw() │    │
| │                            └────────┘         └─▵──────┘    │
| │ ● COMPOSITION: Every car has an           "IS A"│           │
| │ ┌────────┐ engine  ┌────────┐        ┌──────────┴─┬───···   │
| │ │ Car    │◄►-------┤ Engine │     ┌──┴─────┐   ┌──┴────┐    │
| │ └────────┘         └────────┘     │ Circle │   │Ellipse│    │
| │ ● Aggregation: Cars may have      COMPOSITION+AGGREGATION   │
| │ ┌────────┐passengers┌──────────┐  allow  DELEGATION as a    │
| │ │ Car    │◊─────────┤Passengers│  (SAFER) alternative to the│
| │ └────────┘          └──────────┘  "IS A" inheritance.       │
| └─────────────────────────────────────────────────────────────┘

TXT BPMN:

(Use Vim block-mode -Ctrl+v- to edit them)

| ┌─ BPMN (Business Process Management Network) ────────────────────────────────────────┐
| │ See also: https://github.com/bpmn-io/bpmn-font/tree/master/dist/font                │
| │ ○ Start Event, ◎ Intermediary/Boundary Event, ◇ Gateway,                            │
| │ ◷ Timer Start Event,  ◈ Complex Gateway,                                            │
| │     ┌──────┐  ┌─────────────┐                ┌──────────────────┬──────────────────┐│
| │     │ Task │  │○ Expanded   │   ▴            │     Actor A      │    Actor B       ││
| │     └──────┘  │  Subproccess│  ◂ ▸           ├──────────────────┼──────────────────┤│
| │               └─────────────┘   ▾            │      ○           │                  ││
| │  ┌─┬─ Pool Participant "A" ─────────────────┐│      ·           │    ┌──────────┐  ││
| │  │A│                            Some con-   ││      ▼           │ ┌·▸│○ Expanded│  ││
| │  │c│    ┌──────┐  ┌──────────┐     • dition?││   ┌──────┐       │ │  │  Subproc.│  ││
| │  │t│○··▸│ Task •·▸│○ Expanded│    ╱ ╲       ││   │ Task •·········┘  └───•──────┘  ││
| │  │o│    └──────┘  │  Subproc.•··▸• ? ▸ No   ││   └──────┘       │        ▾ Some    ││
| │  │r│              └──────────┘    ╲ ╱       ││                  │       ╱ ╲ condi- ││
| │  │ │                               ▾        ││                  │    NO◂   • tion? ││
| │  │A│                              Yes       ││                  │       ╲ ╱        ││
| │  └─┴────────────────────────────────────────┘│                  │        ▾         ││
| │                                              │                  │       YES        ││
| └─────────────────────────────────────────────────────────────────────────────────────┘

TXT Geometric symbols

| <https://www.w3schools.com/charsets/ref_utf_geometric.asp>
|   ▴   ▵          ◸ ◹ ◜ ◝ ◠  ◄ ► │
|  ◂ ▸ ◃ ▹         ◺ ◿ ◟ ◞ ◡  ◊   │
|   ▾   ▿          ◴ ◵ ◶ ◷        │
| 
| ┌─┬─┬┈┈┈┈┬╌──┬─┐ ┐┎─┰┄─┄┰┅┅┒ ╔═╦═╗  ╓──╥──╖ ╒══╤══╕ ⎧⎧ ⎧     ⎫
| │ ┊ ┆╌╌╌╌│     │ ╵┃ ┃   ┃  ┃ ║ ║ ║  ║  ║  ║ │  │  │ ⎭⎪ ⎪⎧   ⎫⎪
| │ ┊ ┆    │   │ │ │┃ ┃   ┃  ┃ ╠═╬═╣  ╟──╫──╢ ╞══╪══╡  ⎪ ⎨⎨   ⎬⎬
| │ ┊ ┆    │   │ │ │┃ ┃   ┃  ┃ ║ ║ ║  ║  ║  ║ │  │  │  ⎪ ⎪⎩   ⎭⎪
| ├─┼─┼────┼───┼─┤ ┤┠─╂───╂──┨ ╚═╩═╝  ╙──╨──╜ ╘══╧══╛  ⎭ ⎩     ⎭
| │ │ ┇    │   │ │ │┃ ┃   ┃  ┃ xxx       ╲ ╱ ╱╲  ╱╲    •     ▴
| │ │ ┇    │   │ │ │┃ ┃   ┃  ┃ └ yyy      ╳  ╲╱ ╱◜◝╲  ╱ ╲   ╱ ╲
| │ │ ┇    │   │ │ ╷┃ ┃   ┃  ┃   ├ zzz   ╱ ╲    ╲◟◞╱ •   • ◂   ▸
| └─┴─┴────┴───┴─┘ ┘┖─┸───┸──┚   └ ...           ╲╱   ╲ ╱   ╲ ╱
| └╴──┴─────╶┘                                         •     ▾

TXT Math symbols

| Unicode Symbols                                                                  |
|  <https://www.unicode.org/charts/PDF/U2200.pdf>                                  |
| ● ORDER RELATIONS             ● LOGICAL OPs                                      |
|   ≺ ≻ PRECEDES/SUCCEEDS         ∧ LOGICAL AND                                    |
|                                 ∨ LOGICAL OR                                     |
|   ≼ ≽ PRECEDES/SUCCEEDS OR EQUALS                                                |
|   ≾ ≿ PRECEDES/SUCCEEDS OR EQUIVALENT-TO                                         |
|   ⊀ ⊁ DOES NOT PREC./SUCC.                                                       |
|                                                                                  |
| ● MISCELLANEOUS               ● SET MEMBERSHIP                                   |
|   ∞   INFINITY                  ∈ ∉ ELEMENT OF                                   |
|   π   PI                        ∋ ∌ CONTAINS AS MEMBER                           |
|   ∀   FOR ALL                 ● SET RELATIONS:                                   |
|   ʗ   COMPLEMENT                ⊂ ⊄ (NOT) A SUBSET OF                            |
|   ∂   PARTIAL DIFFERENTIAL      ⊃ ⊅ (NOT) SUPERSET OF                            |
|   ∃ ∄ THERE DOES(/NOT) EXISTS   ⊆ ⊇ SUB/SUPER-SET OF OR = TO                     |
|   Ø   EMPTY SET               ● SET OPERATIONS:                                  |
|   Δ   "DELTA" Inc|Laplace Op    ∩ INTERSECTION                                   |
|   ∇   "NABLA" gradient,         ∪ UNION                                          |
|   ∴ ∵ THEREFORE,  BECAUSE       ⋃  n-ary UNION                                   |
|                                                                                  |
| ● N-ary operators        ● OPERATORS             ● INTEGRALS                     |
|   (N inputs, 1 output)     ±                       ∫ ∫∫ ∫∫∫  (DOUBLE/...)        |
|   ∏ N-ARY PRODUCT          ∘ RING OPERATOR         ∲ ∲ (ANTI)CONTOUR INT.        |
|   ∐ N-ARY COPRODUCT        √∛∜ SQUARE/... ROOT     ∲∲ ∲∲∲ SURFACE/VOLUME         |
|   Σ N-ARY SUMMATION        α PROPORTIONAL TO       ∱ CLOCKWISE INTEGRAL          |
|                                                                                  |
| ● RELATION                      ● "QUANTITATIVE" RELATIONS                       |
|   ∣ ∤ DOES (NOT) DIVIDES          ≤ ≥ LESS/GREATER-THAN OR = TO                  |
|   ǁ ∦ (NOT) PARALLEL TO           ≦ ≧ LESS/GREATER-THAN OVER = TO                |
|   ∶   RATIO                       ≨ ≩ LESS/GREATER-THAN BUT NOT = TO             |
|   ∷   PROPORTION                  ≮ ≯ NOT LESS/GREATER-THAN                      |
|   ∺   GEOMETRIC PROPORTION        ≰ ≱ NEITHER LESS/GREA.-THAN NOR = TO           |
|   ≃ ≄ (!) ASYMPTOTICALLY = TO     ≲ ≳ LESS/GREA.-THAN OR EQUIVALENT TO           |
|   ≅   APPROX. EQUAL TO            ≴ ≵ NEITHER LESS/GREATER-THAN                  |
|   ≆   APPROX. BUT NOT EQUAL           NOR EQUIVALENT TO                          |
|   ≇   NEITHER APPROX. NOR ACTUA.  ≶ ≷ LESS/GREATER-THAN OR GREATER-THAN          |
|   ≈ ≉ (!) ALMOST EQUAL TO         ≸ ≹ NEITHER LESS/GREATER-THAN                  |
|   ≊   ALMOST EQUAL OR EQUAL TO        NOR GREATER-THAN                           |
|   ≍ ≭ (!) EQUIVALENT TO                                                          |
|   ≖   RING-IN EQUAL TO          ● GROUP RELATIONS                                |
|   ≗   RING EQUAL                  ⊲ ⋪ (NOT) NORMAL SUBGROUP OF                   |
|   ≝   EQUAL TO BY DEFINITION      ⊴ ⋬ (NOT) NORMAL SUBGROUP OF                   |
|   ≞   MEASURED BY                     OR = TO                                    |
|   ≟   QUESTIONED EQUAL TO         ⊳ ⋫ DOES (NOT) CONTAIN AS                      |
|   ≠   NOT EQUAL TO                    NORMAL SUBGROUP                            |
|   ≡ ≢ (NOT) IDENTICAL TO          ⋭ ⊵ DOES (NOT) CONTAIN AS                      |
|   ≣   STRICTLY EQUIVALENT TO          NORMAL SUBGROUP                            |
|                                                                                  |
| ● https://en.wikipedia.org/wiki/Mathematical_Operators_(Unicode_block)           |
|     0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F                |
| U+220x  ∀   ∁   ∂   ∃   ∄   ∅   ∆   ∇   ∈   ∉   ∊   ∋   ∌   ∍   ∎   ∏            |
| U+221x  ∐   ∑   −   ∓   ∔   ∕   ∖   ∗   ∘   ∙   √   ∛   ∜   ∝   ∞   ∟            |
| U+222x  ∠   ∡   ∢   ∣   ∤   ∥   ∦   ∧   ∨   ∩   ∪               ∮   ∯            |
| U+223x  ∰   ∱   ∲   ∳   ∴   ∵   ∶   ∷   ∸   ∹   ∺   ∻   ∼   ∽   ∾   ∿            |
| U+224x  ≀   ≁   ≂   ≃   ≄   ≅   ≆   ≇   ≈   ≉   ≊   ≋   ≌   ≍   ≎   ≏            |
| U+225x  ≐   ≑   ≒   ≓   ≔   ≕   ≖   ≗   ≘   ≙   ≚   ≛   ≜   ≝   ≞   ≟            |
| U+226x  ≠   ≡   ≢   ≣   ≤   ≥   ≦   ≧   ≨   ≩   ≪   ≫   ≬   ≭   ≮   ≯            |
| U+227x  ≰   ≱   ≲   ≳   ≴   ≵   ≶   ≷   ≸   ≹   ≺   ≻   ≼   ≽   ≾   ≿            |
| U+228x  ⊀   ⊁   ⊂   ⊃   ⊄   ⊅   ⊆   ⊇   ⊈   ⊉   ⊊   ⊋   ⊌   ⊍   ⊎   ⊏            |
| U+229x  ⊐   ⊑   ⊒   ⊓   ⊔   ⊕   ⊖   ⊗   ⊘   ⊙   ⊚   ⊛   ⊜   ⊝   ⊞   ⊟            |
| U+22Ax  ⊠   ⊡   ⊢   ⊣   ⊤   ⊥   ⊦   ⊧   ⊨   ⊩   ⊪   ⊫   ⊬   ⊭   ⊮   ⊯            |
| U+22Bx  ⊰   ⊱   ⊲   ⊳   ⊴   ⊵   ⊶   ⊷   ⊸   ⊹   ⊺   ⊻   ⊼   ⊽   ⊾   ⊿            |
| U+22Cx  ⋀   ⋁   ⋂   ⋃   ⋄   ⋅   ⋆   ⋇   ⋈   ⋉   ⋊   ⋋   ⋌   ⋍   ⋎   ⋏            |
| U+22Dx  ⋐   ⋑   ⋒   ⋓   ⋔   ⋕   ⋖   ⋗   ⋘   ⋙   ⋚   ⋛   ⋜   ⋝   ⋞   ⋟            |
| U+22Ex  ⋠   ⋡   ⋢   ⋣   ⋤   ⋥   ⋦   ⋧   ⋨   ⋩   ⋪   ⋫   ⋬   ⋭   ⋮   ⋯            |
| U+22Fx                  ⋴   ⋵   ⋶   ⋷   ⋸   ⋹   ⋺   ⋻   ⋼   ⋽   ⋾   ⋿            |

Greek&Related Symbols ("Physics symbols")

| Alpha   A,α   Eta     Η,η     nu       Ν,ν     Tau     Τ,τ     |
| Beta    B,β   Theta   Θ,θ│ϑ   Xi       Ξ,ξ     Upsilon Υ,υ│ϒ   |
| Gamma   Γ,γ   Iota    Ι,ι     Omicron  Ο,ο     Phi     Φ,φ     |
| Delta   Δ,δ   Kappa   Κ,κ     Pi       Π,π│ϖ   Chi     Χ,χ     |
| Epsilon Ε,ε   Lamda   Λ,λ     Rho      Ρ,ρ     Psi     Ψ,ψ     |
| Zeta    Ζ,ζ   Mu      Μ,μ     Sigma    Σ,ς│σ   Omega   Ω,ω     |



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