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Theorem mpand 419
Description: A deduction based on modus ponens. (Contributed by NM, 12-Dec-2004.) (Proof shortened by Wolf Lammen, 7-Apr-2013.)
Hypotheses
Ref Expression
mpand.1 (𝜑𝜓)
mpand.2 (𝜑 → ((𝜓𝜒) → 𝜃))
Assertion
Ref Expression
mpand (𝜑 → (𝜒𝜃))

Proof of Theorem mpand
StepHypRef Expression
1 mpand.1 . 2 (𝜑𝜓)
2 mpand.2 . . 3 (𝜑 → ((𝜓𝜒) → 𝜃))
32ancomsd 265 . 2 (𝜑 → ((𝜒𝜓) → 𝜃))
41, 3mpan2d 418 1 (𝜑 → (𝜒𝜃))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 102
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106
This theorem depends on definitions:  df-bi 115
This theorem is referenced by:  mpani  420  mp2and  423  rspcimedv  2703  ovig  5642  prcdnql  6674  prcunqu  6675  p1le  7927  nnge1  8062  zltp1le  8405  gtndiv  8442  uzss  8639  addlelt  8839  xrre2  8888  xrre3  8889  zltaddlt1le  9028  modfzo0difsn  9397  leexp2r  9530  expnlbnd2  9598  facavg  9673  caubnd2  10003  maxleast  10099  mulcn2  10151  cn1lem  10152  climsqz  10173  climsqz2  10174  climcvg1nlem  10186  zsupcllemstep  10341  gcdzeq  10411  algcvgblem  10431  ialgcvga  10433  lcmdvdsb  10466  coprm  10523
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