Theorem nom10 307

Description: Part of Lemma 3.3(14) from "Non-Orthomodular Models..." paper.

Assertion

Ref	Expression
nom10	(a ->0 (a ^ b)) = (a ->1 b)

Proof of Theorem nom10

Step	Hyp	Ref	Expression
1		id 59	. 2 (a' v (a ^ b)) = (a' v (a ^ b))
2		df-i0 43	. 2 (a ->0 (a ^ b)) = (a' v (a ^ b))
3		df-i1 44	. 2 (a ->1 b) = (a' v (a ^ b))
4	1, 2, 3	3tr1 63	1 (a ->0 (a ^ b)) = (a ->1 b)

Syntax hints:   = wb 1  'wn 4   v wo 6   ^ wa 7   ->0 wi0 11   ->1 wi1 12

This theorem is referenced by:  nom40 325  lem3.3.7i0e3 1058

This theorem was proved from axioms:  ax-a1 30  ax-r1 35  ax-r2 36

This theorem depends on definitions:  df-i0 43  df-i1 44

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