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Theorem syldan 66
Description: A syllogism flattening a nested pair. (Contributed by la korvo, 9-Jul-2025.)
Hypotheses
Ref Expression
syldan.0ganai ge broda gi brode gi brodi
syldan.1ganai ge broda gi brodi gi brodo
Assertion
Ref Expression
syldanganai ge broda gi brode gi brodo

Proof of Theorem syldan
StepHypRef Expression
1 syldan.0 . 2ganai ge broda gi brode gi brodi
2 syldan.1 . . . 4ganai ge broda gi brodi gi brodo
32uncur-swap12 62 . . 3ganai brodi gi ganai broda gi brodo
43weakard 64 . 2ganai brodi gi ganai ge broda gi brode gi brodo
51, 4mpcom 30 1ganai ge broda gi brode gi brodo
Colors of variables: sumti selbri bridi
Syntax hints:   ge bge 47
This theorem was proved from axioms:  ax-mp 10  ax-k 11  ax-s 15  ax-ge-le 48  ax-ge-in 50
This theorem is referenced by:  sylan2  68
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