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Theorem ge-idem 123
Description: {ge} is idempotent. (Contributed by la korvo, 15-Aug-2024.) (Strengthened by la korvo, 21-Aug-2024.)
Assertion
Ref Expression
ge-idemgo ge broda gi broda gi broda

Proof of Theorem ge-idem
StepHypRef Expression
1 ax-ge-le 43 . 2ganai ge broda gi broda gi broda
2 ge-diag 122 . 2ganai broda gi ge broda gi broda
31, 2iso 65 1go ge broda gi broda gi broda
Colors of variables: sumti selbri bridi
Syntax hints:  ge bge 42
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: (None)
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