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Reduce ax-un usage #4465

Merged
merged 8 commits into from
Dec 4, 2024
Merged

Reduce ax-un usage #4465

merged 8 commits into from
Dec 4, 2024

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BTernaryTau
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@BTernaryTau BTernaryTau commented Dec 3, 2024

This change revises epweon, peano1, 1on, and 2on to no longer depend on ax-un. It also slightly rearranges the beginning of the ordinal arithmetic section, shortens suceloni, and introduces a new theorem.

sucexeloni

If the successor of an ordinal number exists, it is an ordinal number. This variation of ~ suceloni does not require ~ ax-un .

Changes in axiom usage: d81d0a4

@wlammen wlammen merged commit 9927704 into metamath:develop Dec 4, 2024
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@BTernaryTau BTernaryTau deleted the avoid-un branch December 5, 2024 00:47
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4 participants