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Theorem syl32anc 1286
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 1281 1 (𝜑𝜁)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  w3a 1009
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 1011
This theorem is referenced by:  ioom  10678  modifeq2int  10806  modaddmodup  10807  seq3f1olemqsum  10933  seq3f1o  10937  exple1  11015  leexp2rd  11124  nn0ltexp2  11130  facubnd  11166  permnn  11193  dfabsmax  11966  expcnvre  12253  dvdsadd2b  12590  dvdsmulgcd  12785  sqgcd  12789  bezoutr  12792  cncongr2  12865  pw2dvds  12927  hashgcdlem  12999  modprm0  13016  modprmn0modprm0  13018  2idlcpblrng  14843  tgioo  15638  mpodvdsmulf1o  16087  perfectlem2  16097  lgssq  16142  lgssq2  16143  gausslemma2dlem7  16170  lgsquad2lem1  16183  lgsquad2lem2  16184
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