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Theorem syl313anc 1302
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.)
Hypotheses
Ref Expression
sylXanc.1 (𝜑 → 𝜓)
sylXanc.2 (𝜑 → 𝜒)
sylXanc.3 (𝜑 → 𝜃)
sylXanc.4 (𝜑 → 𝜏)
sylXanc.5 (𝜑 → 𝜂)
sylXanc.6 (𝜑 → 𝜁)
sylXanc.7 (𝜑 → 𝜎)
syl313anc.8 (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ 𝜏 ∧ (𝜂 ∧ 𝜁 ∧ 𝜎)) → 𝜌)
Assertion
Ref Expression
syl313anc (𝜑 → 𝜌)

Proof of Theorem syl313anc
StepHypRef Expression
1 sylXanc.1 . 2 (𝜑 → 𝜓)
2 sylXanc.2 . 2 (𝜑 → 𝜒)
3 sylXanc.3 . 2 (𝜑 → 𝜃)
4 sylXanc.4 . 2 (𝜑 → 𝜏)
5 sylXanc.5 . . 3 (𝜑 → 𝜂)
6 sylXanc.6 . . 3 (𝜑 → 𝜁)
7 sylXanc.7 . . 3 (𝜑 → 𝜎)
85, 6, 73jca 1208 . 2 (𝜑 → (𝜂 ∧ 𝜁 ∧ 𝜎))
9 syl313anc.8 . 2 (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ 𝜏 ∧ (𝜂 ∧ 𝜁 ∧ 𝜎)) → 𝜌)
101, 2, 3, 4, 8, 9syl311anc 1292 1 (𝜑 → 𝜌)
Colors of variables:    wff set class
This proof depends on syntax axioms:   → wi 4   ∧ w3a 1009
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This proof depends on definitions:  df-bi 117  df-3an 1011
This theorem is used by:  syl323anc  1308
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