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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  9043  recgt1i  9078  recreclt  9080  nngt0  9168  nnrecgt0  9181  elnnnn0c  9447  elnnz1  9502  recnz  9573  uz3m2nn  9807  ledivge1le  9961  expubnd  10859  expnbnd  10926  expnlbnd  10927  sin02gt0  12330  oddge22np1  12447  dvdsnprmd  12702  reeff1olem  15501  sinq12gt0  15560  logdivlti  15611  gausslemma2dlem4  15799
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