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Theorem anc2l 248
Description: Conjoin antecedent to left of consequent in nested implication.
Assertion
Ref Expression
anc2l ((φ → (ψχ)) → (φ → (ψ → (φχ))))

Proof of Theorem anc2l
StepHypRef Expression
1 pm3.2 232 . . 3 (φ → (χ → (φχ)))
21syl3d 26 . 2 (φ → ((ψχ) → (ψ → (φχ))))
32a2i 8 1 ((φ → (ψχ)) → (φ → (ψ → (φχ))))
Colors of variables: wff set class
Syntax hints:   → wi 2   ∧ wa 196
This theorem is referenced by:  anc2li 250  imdistan 339  suppsr2 4017
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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