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Theorem sylan 77
Description: A syllogism refining a conjunction. (Contributed by la korvo, 9-Jul-2025.)
Hypotheses
Ref Expression
sylan.0ganai broda gi brode
sylan.1ganai ge brode gi brodi gi brodo
Assertion
Ref Expression
sylanganai ge broda gi brodi gi brodo

Proof of Theorem sylan
StepHypRef Expression
1 sylan.0 . 2ganai broda gi brode
2 sylan.1 . . 3ganai ge brode gi brodi gi brodo
32uncur-swap12 62 . 2ganai brodi gi ganai brode gi brodo
41, 3mpan9 76 1ganai ge broda gi brodi gi brodo
Colors of variables: sumti selbri bridi
This theorem was proved from axioms:  ax-mp 10  ax-k 11  ax-s 15  ax-ge-le 48  ax-ge-re 49  ax-ge-in 50
This theorem is referenced by:  syl2an  78
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