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Theorem ud3lem0b 261
Description: Introduce Kalmbach implication to the right.
Hypothesis
Ref Expression
ud3lem0a.1 a = b
Assertion
Ref Expression
ud3lem0b (a ->3 c) = (b ->3 c)
Proof of Theorem ud3lem0b
StepHypRef Expression
1 ud3lem0a.1 . 2 a = b
21ri3 253 1 (a ->3 c) = (b ->3 c)
Colors of variables: term
Syntax hints:   = wb 1   ->3 wi3 14
This theorem was proved from axioms:  ax-a2 31  ax-r1 35  ax-r2 36  ax-r4 37  ax-r5 38
This theorem depends on definitions:  df-a 40  df-i3 46
This theorem is referenced by:  ud3lem2  571  ud3  597
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