bi-rev-syl - brismu bridi

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Theorem bi-rev-syl 81

Description: The right-hand side of a {go} may also be weakened to a {ganai}. (Contributed by la korvo, 10-Jul-2023.)

**Hypothesis**
Ref	Expression
bi-rev-syl.0	⊢ go broda gi brode

**Assertion**
Ref	Expression
bi-rev-syl	⊢ ganai brode gi broda

**Proof of Theorem bi-rev-syl**
Step	Hyp	Ref	Expression
1		bi-rev-syl.0	. . 3 ⊢ go broda gi brode
2	1	go-comi 76	. 2 ⊢ go brode gi broda
3	2	go-ganai 63	1 ⊢ ganai brode gi broda

Colors of variables: sumti selbri bridi

This theorem was proved from axioms: ax-mp 10 ax-k 11 ax-s 15 ax-ge-le 43 ax-ge-re 44 ax-ge-in 45

This theorem depends on definitions: df-go 61

This theorem is referenced by: sylibr 84 gar 140 se-dual 186 se-dual-r 188 duris 219 te-dual 364 te-dual-r 366