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Theorem gari 131
Description: Reverse inference form of df-ga 128 (Contributed by la korvo, 28-Jul-2023.)
Hypothesis
Ref Expression
gari.0ge ganai brode gi broda gi ganai brodi gi broda
Assertion
Ref Expression
gariganai ga brode gi brodi gi broda

Proof of Theorem gari
StepHypRef Expression
1 gari.0 . 2ge ganai brode gi broda gi ganai brodi gi broda
2 df-ga 128 . 2go ganai ga brode gi brodi gi broda gi ge ganai brode gi broda gi ganai brodi gi broda
31, 2bi-rev 70 1ganai ga brode gi brodi gi broda
Colors of variables: sumti selbri bridi
Syntax hints:  ganai bgan 9  ge bge 33  ga bga 127
This theorem was proved from axioms:  ax-mp 10  ax-k 11  ax-s 14  ax-ge-le 34  ax-ge-re 35  ax-ge-in 36
This theorem depends on definitions:  df-go 52  df-ga 128
This theorem is referenced by: (None)
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