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Theorem anc2ri 251
Description: Deduction conjoining antecedent to right of consequent in nested implication.
Hypothesis
Ref Expression
anc2ri.1 (φ → (ψχ))
Assertion
Ref Expression
anc2ri (φ → (ψ → (χφ)))

Proof of Theorem anc2ri
StepHypRef Expression
1 anc2ri.1 . 2 (φ → (ψχ))
2 anc2r 249 . 2 ((φ → (ψχ)) → (φ → (ψ → (χφ))))
31, 2ax-mp 6 1 (φ → (ψ → (χφ)))
Colors of variables: wff set class
Syntax hints:   → wi 2   ∧ wa 196
This theorem is referenced by:  fv3 2839
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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