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Theorem syl331anc 1422
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.)
Hypotheses
Ref Expression
syl3anc.1 (𝜑𝜓)
syl3anc.2 (𝜑𝜒)
syl3anc.3 (𝜑𝜃)
syl3Xanc.4 (𝜑𝜏)
syl23anc.5 (𝜑𝜂)
syl33anc.6 (𝜑𝜁)
syl133anc.7 (𝜑𝜎)
syl331anc.8 (((𝜓𝜒𝜃) ∧ (𝜏𝜂𝜁) ∧ 𝜎) → 𝜌)
Assertion
Ref Expression
syl331anc (𝜑𝜌)

Proof of Theorem syl331anc
StepHypRef Expression
1 syl3anc.1 . 2 (𝜑𝜓)
2 syl3anc.2 . 2 (𝜑𝜒)
3 syl3anc.3 . 2 (𝜑𝜃)
4 syl3Xanc.4 . . 3 (𝜑𝜏)
5 syl23anc.5 . . 3 (𝜑𝜂)
6 syl33anc.6 . . 3 (𝜑𝜁)
74, 5, 63jca 1146 . 2 (𝜑 → (𝜏𝜂𝜁))
8 syl133anc.7 . 2 (𝜑𝜎)
9 syl331anc.8 . 2 (((𝜓𝜒𝜃) ∧ (𝜏𝜂𝜁) ∧ 𝜎) → 𝜌)
101, 2, 3, 7, 8, 9syl311anc 1411 1 (𝜑𝜌)
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1103
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 401  df-3an 1105
This theorem is referenced by:  syl332anc  1428  syl333anc  1429  qredeu  16717  brbtwn2  29236  3atlem4  40241  3atlem6  40243  llnexchb2  40624  osumcllem9N  40719  cdlemd4  40956  cdleme26fALTN  41117  cdleme26f  41118  cdleme36m  41216  cdlemg17b  41417  cdlemg17h  41423  cdlemk38  41670  cdlemk53b  41711  cdlemkyyN  41717  cdlemk43N  41718
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