Theorem syl33anc 1388

Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.)

Hypotheses

Ref	Expression
syl3anc.1	⊢ (𝜑 → 𝜓)
syl3anc.2	⊢ (𝜑 → 𝜒)
syl3anc.3	⊢ (𝜑 → 𝜃)
syl3Xanc.4	⊢ (𝜑 → 𝜏)
syl23anc.5	⊢ (𝜑 → 𝜂)
syl33anc.6	⊢ (𝜑 → 𝜁)
syl33anc.7	⊢ (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂 ∧ 𝜁)) → 𝜎)

Assertion

Ref	Expression
syl33anc	⊢ (𝜑 → 𝜎)

Proof of Theorem syl33anc

Step	Hyp	Ref	Expression
1		syl3anc.1	. . 3 ⊢ (𝜑 → 𝜓)
2		syl3anc.2	. . 3 ⊢ (𝜑 → 𝜒)
3		syl3anc.3	. . 3 ⊢ (𝜑 → 𝜃)
4	1, 2, 3	3jca 1129	. 2 ⊢ (𝜑 → (𝜓 ∧ 𝜒 ∧ 𝜃))
5		syl3Xanc.4	. 2 ⊢ (𝜑 → 𝜏)
6		syl23anc.5	. 2 ⊢ (𝜑 → 𝜂)
7		syl33anc.6	. 2 ⊢ (𝜑 → 𝜁)
8		syl33anc.7	. 2 ⊢ (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂 ∧ 𝜁)) → 𝜎)
9	4, 5, 6, 7, 8	syl13anc 1375	1 ⊢ (𝜑 → 𝜎)

Syntax hints:   → wi 4   ∧ wa 395   ∧ w3a 1087

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 207  df-an 396  df-3an 1089

This theorem is referenced by:  xpord3inddlem  8104  initoeu2lem2  17982  mdetunilem9  22585  mdetuni0  22586  xmetrtri  24320  bl2in  24365  blhalf  24370  blssps  24389  blss  24390  blcld  24470  methaus  24485  metdstri  24817  metdscnlem  24821  metnrmlem3  24827  xlebnum  24932  pmltpclem1  25415  bdayfinbndlem1  28459  colinearalglem2  28976  axlowdim  29030  ssbnd  38109  totbndbnd  38110  heiborlem6  38137  2atm  39973  lplncvrlvol2  40061  dalem19  40128  paddasslem9  40274  pclclN  40337  pclfinN  40346  pclfinclN  40396  pexmidlem8N  40423  trlval3  40633  cdleme22b  40787  cdlemefr29bpre0N  40852  cdlemefr29clN  40853  cdlemefr32fvaN  40855  cdlemefr32fva1  40856  cdlemg31b0N  41140  cdlemg31b0a  41141  cdlemh  41263  dihmeetlem16N  41768  dihmeetlem18N  41770  dihmeetlem19N  41771  dihmeetlem20N  41772  hoidmvlelem1  47023