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Theorem ge-prod 69
Description: All binary products exist. (Contributed by la korvo, 22-Jun-2024.)
Hypotheses
Ref Expression
ge-prod.0ganai broda gi brode
ge-prod.1ganai broda gi brodi
Assertion
Ref Expression
ge-prodganai broda gi ge brode gi brodi

Proof of Theorem ge-prod
StepHypRef Expression
1 ge-prod.0 . 2ganai broda gi brode
2 ge-prod.1 . 2ganai broda gi brodi
3 ax-ge-in 50 . 2ganai brode gi ganai brodi gi ge brode gi brodi
41, 2, 3sylc 35 1ganai broda gi ge brode gi brodi
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-in 50
This theorem is referenced by:  sylanbrc  107  ga-dist-ge  182  ge-dist-ex  431
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