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Theorem an1s 372
Description: Deduction rearranging conjuncts.
Hypothesis
Ref Expression
an1s.1 ((φ ∧ (ψχ)) → θ)
Assertion
Ref Expression
an1s ((ψ ∧ (φχ)) → θ)

Proof of Theorem an1s
StepHypRef Expression
1 an12 370 . 2 ((ψ ∧ (φχ)) ↔ (φ ∧ (ψχ)))
2 an1s.1 . 2 ((φ ∧ (ψχ)) → θ)
31, 2sylbi 174 1 ((ψ ∧ (φχ)) → θ)
Colors of variables: wff set class
Syntax hints:   → wi 2   ∧ wa 196
This theorem is referenced by:  oecl 3140  oaass 3163  oen0 3165  ac5b 3574  distrlem4pr 3924  prlem934b 3932  ltexprlem4 3939  uzind2 4604  spansnmul 5469
This theorem was proved from axioms:  ax-1 3  ax-2 4  ax-3 5  ax-mp 6
This theorem depends on definitions:  df-bi 128  df-an 198
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