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| Mirrors > Home > MPE Home > Th. List > syl23anc | 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) |
| syl23anc.6 | ⊢ (((𝜓 ∧ 𝜒) ∧ (𝜃 ∧ 𝜏 ∧ 𝜂)) → 𝜁) |
| Ref | Expression |
|---|---|
| syl23anc | ⊢ (𝜑 → 𝜁) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl3anc.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | syl3anc.2 | . . 3 ⊢ (𝜑 → 𝜒) | |
| 3 | 1, 2 | jca 521 | . 2 ⊢ (𝜑 → (𝜓 ∧ 𝜒)) |
| 4 | syl3anc.3 | . 2 ⊢ (𝜑 → 𝜃) | |
| 5 | syl3Xanc.4 | . 2 ⊢ (𝜑 → 𝜏) | |
| 6 | syl23anc.5 | . 2 ⊢ (𝜑 → 𝜂) | |
| 7 | syl23anc.6 | . 2 ⊢ (((𝜓 ∧ 𝜒) ∧ (𝜃 ∧ 𝜏 ∧ 𝜂)) → 𝜁) | |
| 8 | 3, 4, 5, 6, 7 | syl13anc 1399 | 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: suppofss1d 8221 suppofss2d 8222 cnfcomlem 9700 ackbij1lem16 10312 div2subd 12143 symg2bas 19607 rhmpreimaprmidl 21635 psgndiflemA 21907 evl1expd 22663 evls1maplmhm 22695 oftpos 22767 restopn2 23495 tsmsxp 24474 blcld 24824 cnllycmp 25277 dvlipcn 26314 tanregt0 26867 ostthlem1 27954 nosupbnd1lem1 28065 nosupbnd2 28073 noinfbnd1lem1 28080 noinfbnd2 28088 angmgmaddov1 29388 ax5seglem6 29512 axcontlem4 29545 axcontlem7 29548 wwlksnextwrd 30486 drngidlhash 33983 qsdrngilem 34018 rsprprmprmidlb 34055 rprmirredb 34064 dfufd2lem 34081 lindsunlem 34256 lactlmhm 34266 pnfneige0 34583 qqhval2 34614 esumcocn 34712 carsgmon 34946 bnj1125 35622 heiborlem8 38753 2atjm 40503 1cvrat 40534 lvolnlelln 40642 lvolnlelpln 40643 4atlem3 40654 lplncvrlvol 40674 dalem39 40769 cdleme4a 41297 cdleme15 41336 cdleme16c 41338 cdleme19b 41362 cdleme19e 41365 cdleme20d 41370 cdleme20g 41373 cdleme20j 41376 cdleme20k 41377 cdleme20l2 41379 cdleme20l 41380 cdleme20m 41381 cdleme22e 41402 cdleme22eALTN 41403 cdleme22f 41404 cdleme27cl 41424 cdlemefr27cl 41461 mpaaeu 44152 |
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