Theorem syl122anc 1287

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)
syl122anc.6	⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂)) → 𝜁)

Assertion

Ref	Expression
syl122anc	⊢ (𝜑 → 𝜁)

Proof of Theorem syl122anc

Step	Hyp	Ref	Expression
1		sylXanc.1	. 2 ⊢ (𝜑 → 𝜓)
2		sylXanc.2	. 2 ⊢ (𝜑 → 𝜒)
3		sylXanc.3	. 2 ⊢ (𝜑 → 𝜃)
4		sylXanc.4	. . 3 ⊢ (𝜑 → 𝜏)
5		sylXanc.5	. . 3 ⊢ (𝜑 → 𝜂)
6	4, 5	jca 306	. 2 ⊢ (𝜑 → (𝜏 ∧ 𝜂))
7		syl122anc.6	. 2 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂)) → 𝜁)
8	1, 2, 3, 6, 7	syl121anc 1283	1 ⊢ (𝜑 → 𝜁)

This proof depends on syntax axioms:   → wi 4   ∧ wa 104   ∧ 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:  divdiv32apd  9147  divcanap5d  9148  divcanap7d  9150  divdivap1d  9153  divdivap2d  9154  seq3coll  11296  cau3lem  11882  summodclem2a  12150  prodmodclem2a  12345  prmind2  12900  divnumden  12976  pceulem  13075  pcqmul  13084  pcqdiv  13088  pcexp  13090  pcaddlem  13120  pcbc  13132  abladdsub4  14120  ablpnpcan  14126  gsummptfidmadd  14163  lmodvs1  14655  blss2ps  15509  blss2  15510  blssps  15530  blss  15531  xmeter  15539  lgsdi  16168