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Mirrors > Home > ILE Home > Th. List > ex-an | Unicode version |
Description: Example for ax-ia1 105. Example by David A. Wheeler. (Contributed by Mario Carneiro, 9-May-2015.) |
Ref | Expression |
---|---|
ex-an |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2170 | . 2 | |
2 | eqid 2170 | . 2 | |
3 | 1, 2 | pm3.2i 270 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1348 c2 8918 c3 8919 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-gen 1442 ax-ext 2152 |
This theorem depends on definitions: df-bi 116 df-cleq 2163 |
This theorem is referenced by: (None) |
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