Finish intuitionizing section "Groups: Definition and basic properties" #8507

Job	Run time
Check for duplicate jobs to avoid duplication	5s
Check dates in set.mm	15s
Verify using checkmm (a C++ verifier by Eric Schmidt)	29s
Verify using metamath-knife	11s
Verify using metamath.exe (original C verifier by Norman Megill)	53s
Verify using mmj2 (Java verifier by Mel L. O'Cat and Mario Carneiro)	1m 1s
Verify iset.mm using mmverify.py (Python verifier by Raph Levien)	17s
Verify set.mm using mmverify.py (Python verifier by Raph Levien)	37s
Verify using smetamath-rs (smm3) (Rust verifier by Stefan O'Rear)	10s
Generate TeX output using metamath.exe	2m 34s
	6m 32s

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