ex-or - Intuitionistic Logic Explorer

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Theorem ex-or 16044

Description: Example for ax-io 714. Example by David A. Wheeler. (Contributed by Mario Carneiro, 9-May-2015.)

**Assertion**
Ref	Expression
ex-or	$\/$

**Proof of Theorem ex-or**
Step	Hyp	Ref	Expression
1		eqid 2229	. 2
2	1	olci 737	1 $\/$

Colors of variables: wff set class

Syntax hints: $\/$ wo 713

wceq 1395

c2 9157

c3 9158

c4 9159

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-gen 1495 ax-ext 2211

This theorem depends on definitions: df-bi 117 df-cleq 2222

This theorem is referenced by: (None)