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Theorem mpan2d 525
Description: A deduction based on modus ponens.
Hypotheses
Ref Expression
mpan2d.1 (φχ)
mpan2d.2 (φ → ((ψχ) → θ))
Assertion
Ref Expression
mpan2d (φ → (ψθ))

Proof of Theorem mpan2d
StepHypRef Expression
1 mpan2d.1 . 2 (φχ)
2 mpan2d.2 . . 3 (φ → ((ψχ) → θ))
32exp3a 292 . 2 (φ → (ψ → (χθ)))
41, 3mpid 48 1 (φ → (ψθ))
Colors of variables: wff set class
Syntax hints:   → wi 2   ∧ wa 196
This theorem is referenced by:  alephle 3689  peano2uz 4602  flgzt 4626  shsel1t 5286
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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