Theorem ud3lem0c 279

Description: Lemma for unified disjunction.

Assertion

Ref	Expression
ud3lem0c	(a ->3 b)' = (((a v b') ^ (a v b)) ^ (a' v (a ^ b')))

Proof of Theorem ud3lem0c

Step	Hyp	Ref	Expression
1		ni31 250	1 (a ->3 b)' = (((a v b') ^ (a v b)) ^ (a' v (a ^ b')))

Syntax hints:   = wb 1  'wn 4   v wo 6   ^ wa 7   ->3 wi3 14

This theorem is referenced by:  ud3lem1a 566  ud3lem1b 567  ud3lem1c 568  ud3lem3a 572  ud3lem3b 573  ud3lem3c 574  ud3lem3 576  u3lem14mp 794

This theorem was proved from axioms:  ax-a1 30  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

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