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Theorem syl32anc 1279
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.)
Hypotheses
Ref Expression
sylXanc.1 (𝜑𝜓)
sylXanc.2 (𝜑𝜒)
sylXanc.3 (𝜑𝜃)
sylXanc.4 (𝜑𝜏)
sylXanc.5 (𝜑𝜂)
syl32anc.6 (((𝜓𝜒𝜃) ∧ (𝜏𝜂)) → 𝜁)
Assertion
Ref Expression
syl32anc (𝜑𝜁)

Proof of Theorem syl32anc
StepHypRef Expression
1 sylXanc.1 . 2 (𝜑𝜓)
2 sylXanc.2 . 2 (𝜑𝜒)
3 sylXanc.3 . 2 (𝜑𝜃)
4 sylXanc.4 . . 3 (𝜑𝜏)
5 sylXanc.5 . . 3 (𝜑𝜂)
64, 5jca 306 . 2 (𝜑 → (𝜏𝜂))
7 syl32anc.6 . 2 (((𝜓𝜒𝜃) ∧ (𝜏𝜂)) → 𝜁)
81, 2, 3, 6, 7syl31anc 1274 1 (𝜑𝜁)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  w3a 1002
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  df-3an 1004
This theorem is referenced by:  ioom  10513  modifeq2int  10641  modaddmodup  10642  seq3f1olemqsum  10768  seq3f1o  10772  exple1  10850  leexp2rd  10958  nn0ltexp2  10964  facubnd  11000  permnn  11026  dfabsmax  11771  expcnvre  12057  dvdsadd2b  12394  dvdsmulgcd  12589  sqgcd  12593  bezoutr  12596  cncongr2  12669  pw2dvds  12731  hashgcdlem  12803  modprm0  12820  modprmn0modprm0  12822  2idlcpblrng  14530  tgioo  15271  mpodvdsmulf1o  15707  perfectlem2  15717  lgssq  15762  lgssq2  15763  gausslemma2dlem7  15790  lgsquad2lem1  15803  lgsquad2lem2  15804
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