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| Mirrors > Home > MPE Home > Th. List > syl221anc | Structured version Visualization version GIF version | ||
| Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
| Ref | Expression |
|---|---|
| syl3anc.1 | ⊢ (𝜑 → 𝜓) |
| syl3anc.2 | ⊢ (𝜑 → 𝜒) |
| syl3anc.3 | ⊢ (𝜑 → 𝜃) |
| syl3Xanc.4 | ⊢ (𝜑 → 𝜏) |
| syl23anc.5 | ⊢ (𝜑 → 𝜂) |
| syl221anc.6 | ⊢ (((𝜓 ∧ 𝜒) ∧ (𝜃 ∧ 𝜏) ∧ 𝜂) → 𝜁) |
| Ref | Expression |
|---|---|
| syl221anc | ⊢ (𝜑 → 𝜁) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl3anc.1 | . 2 ⊢ (𝜑 → 𝜓) | |
| 2 | syl3anc.2 | . 2 ⊢ (𝜑 → 𝜒) | |
| 3 | syl3anc.3 | . . 3 ⊢ (𝜑 → 𝜃) | |
| 4 | syl3Xanc.4 | . . 3 ⊢ (𝜑 → 𝜏) | |
| 5 | 3, 4 | jca 521 | . 2 ⊢ (𝜑 → (𝜃 ∧ 𝜏)) |
| 6 | syl23anc.5 | . 2 ⊢ (𝜑 → 𝜂) | |
| 7 | syl221anc.6 | . 2 ⊢ (((𝜓 ∧ 𝜒) ∧ (𝜃 ∧ 𝜏) ∧ 𝜂) → 𝜁) | |
| 8 | 1, 2, 5, 6, 7 | syl211anc 1404 | 1 ⊢ (𝜑 → 𝜁) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 df-3an 1105 |
| This theorem is used by: syl222anc 1414 vtocldf 3525 f1oprswap 6899 dmdcand 12160 modmul12d 14106 modnegd 14107 modadd12d 14108 exprec 14284 rpexpmord 14349 splval2 14946 dvdsmodexp 16471 eulerthlem2 17000 fermltl 17002 odzdvds 17014 fnpr2o 17770 efgredleme 19999 efgredlemc 20001 blssps 24787 blss 24788 metequiv2 24873 met1stc 24884 met2ndci 24885 metdstri 25215 xlebnum 25330 caubl 25673 divcxp 27061 cxple2a 27073 cxplead 27095 cxplt2d 27100 cxple2d 27101 mulcxpd 27102 ang180 27188 wilthlem2 27442 lgsvalmod 27689 lgsmod 27696 lgsdir2lem4 27701 lgsdirprm 27704 lgsne0 27708 lgseisen 27752 conway 28211 ax5seglem9 29561 fzm1ne1 33466 xrsmulgzz 33659 linds2eq 34033 heiborlem8 39011 cdlemd4 41517 cdleme15a 41590 cdleme17b 41603 cdleme25a 41669 cdleme25c 41671 cdleme25dN 41672 cdleme26ee 41676 tendococl 42088 tendodi1 42100 tendodi2 42101 cdlemi 42136 tendocan 42140 cdlemk5a 42151 cdlemk5 42152 cdlemk10 42159 cdlemk5u 42177 cdlemkfid1N 42237 pellexlem6 44101 acongeq 44250 jm2.25 44266 stoweidlem42 47319 stoweidlem51 47328 ldepspr 49910 |
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