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Theorem ex-an 16749
Description: Example for ax-ia1 106. Example by David A. Wheeler. (Contributed by Mario Carneiro, 9-May-2015.)
Assertion
Ref Expression
ex-an (2 = 2 ∧ 3 = 3)

Proof of Theorem ex-an
StepHypRef Expression
1 eqid 2238 . 2 2 = 2
2 eqid 2238 . 2 3 = 3
31, 2pm3.2i 272 1 (2 = 2 ∧ 3 = 3)
Colors of variables:    wff set class
This proof depends on syntax axioms:  wa 104   = wceq 1402  2c2 9356  3c3 9357
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-gen 1502  ax-ext 2220
This proof depends on definitions:  df-bi 117  df-cleq 2231
This theorem is used by: (None)
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