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Theorem mpani 430
Description: An inference based on modus ponens. (Contributed by NM, 10-Apr-1994.) (Proof shortened by Wolf Lammen, 19-Nov-2012.)
Hypotheses
Ref Expression
mpani.1 𝜓
mpani.2 (𝜑 → ((𝜓𝜒) → 𝜃))
Assertion
Ref Expression
mpani (𝜑 → (𝜒𝜃))

Proof of Theorem mpani
StepHypRef Expression
1 mpani.1 . . 3 𝜓
21a1i 9 . 2 (𝜑𝜓)
3 mpani.2 . 2 (𝜑 → ((𝜓𝜒) → 𝜃))
42, 3mpand 429 1 (𝜑 → (𝜒𝜃))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This theorem depends on definitions:  df-bi 117
This theorem is referenced by:  mp2ani  432  mulgt1  9136  recgt1i  9171  recreclt  9173  nngt0  9261  nnrecgt0  9274  elnnnn0c  9540  elnnz1  9599  recnz  9670  uz3m2nn  9904  ledivge1le  10058  expubnd  10957  expnbnd  11024  expnlbnd  11025  sin02gt0  12446  oddge22np1  12563  dvdsnprmd  12818  reeff1olem  15628  sinq12gt0  15687  logdivlti  15738  gausslemma2dlem4  15929
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