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Theorem mp3anl2 1458
Description: An inference based on modus ponens. (Contributed by NM, 24-Feb-2005.)
Hypotheses
Ref Expression
mp3anl2.1 𝜓
mp3anl2.2 (((𝜑𝜓𝜒) ∧ 𝜃) → 𝜏)
Assertion
Ref Expression
mp3anl2 (((𝜑𝜒) ∧ 𝜃) → 𝜏)

Proof of Theorem mp3anl2
StepHypRef Expression
1 mp3anl2.1 . . 3 𝜓
2 mp3anl2.2 . . . 4 (((𝜑𝜓𝜒) ∧ 𝜃) → 𝜏)
32ex 416 . . 3 ((𝜑𝜓𝜒) → (𝜃𝜏))
41, 3mp3an2 1451 . 2 ((𝜑𝜒) → (𝜃𝜏))
54imp 410 1 (((𝜑𝜒) ∧ 𝜃) → 𝜏)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399  w3a 1089
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 210  df-an 400  df-3an 1091
This theorem is referenced by:  mp3anr2  1461  preleq  9231  ccat2s1fstOLD  14204  1dvds  15832  bcs2  29263  nmopub2tALT  29990  nmfnleub2  30007  nmophmi  30112  nmopcoadji  30182  atordi  30465  mdsymlem5  30488
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