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| Mirrors > Home > MPE Home > Th. List > syl6an | Structured version Visualization version GIF version | ||
| Description: A syllogism deduction combined with conjoining antecedents. (Contributed by Alan Sare, 28-Oct-2011.) |
| Ref | Expression |
|---|---|
| syl6an.1 | ⊢ (𝜑 → 𝜓) |
| syl6an.2 | ⊢ (𝜑 → (𝜒 → 𝜃)) |
| syl6an.3 | ⊢ ((𝜓 ∧ 𝜃) → 𝜏) |
| Ref | Expression |
|---|---|
| syl6an | ⊢ (𝜑 → (𝜒 → 𝜏)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl6an.1 | . 2 ⊢ (𝜑 → 𝜓) | |
| 2 | syl6an.2 | . 2 ⊢ (𝜑 → (𝜒 → 𝜃)) | |
| 3 | syl6an.3 | . . 3 ⊢ ((𝜓 ∧ 𝜃) → 𝜏) | |
| 4 | 3 | ex 417 | . 2 ⊢ (𝜓 → (𝜃 → 𝜏)) |
| 5 | 1, 2, 4 | sylsyld 62 | 1 ⊢ (𝜑 → (𝜒 → 𝜏)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 |
| 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 401 |
| This theorem is used by: dfsb2 2524 xpcan 6173 xpcan2 6174 mapxpen 9129 sucdom2 9185 inf3lem3 9597 dfac12r 10137 nnadju 10188 cfsuc 10247 fin23lem26 10315 iundom2g 10530 inar1 10766 rankcf 10768 ltsrpr 11068 supsrlem 11102 axpre-sup 11160 nominpos 12487 ublbneg 12963 qbtwnre 13231 fsequb 14018 fi1uzind 14551 brfi1indALT 14554 ccats1pfxeqrex 14759 rexanre 15405 rexuzre 15411 rexico 15412 caubnd 15417 rlim2lt 15555 rlim3 15556 lo1bddrp 15583 o1lo1 15595 climshftlem 15632 rlimcn3 15648 rlimo1 15675 lo1add 15685 lo1mul 15686 lo1le 15710 isercoll 15726 serf0 15739 cvgcmp 15875 dvds1lem 16331 dvds2lem 16332 mulmoddvds 16394 isprm5 16772 vdwlem2 17048 vdwlem10 17056 vdwlem11 17057 lsmcv 21276 lmconst 23429 ptcnplem 23789 fclscmp 24198 tsmsres 24312 addcnlem 25033 lebnumlem3 25133 xlebnum 25135 lebnumii 25136 iscmet3lem2 25462 bcthlem4 25497 cniccbdd 25631 ovoliunlem2 25673 mbfi1flimlem 25892 ply1divex 26305 aalioulem3 26508 aalioulem5 26510 aalioulem6 26511 aaliou 26512 ulmshftlem 26563 ulmbdd 26572 tanarg 26795 cxploglim 27153 ftalem2 27249 ftalem7 27254 dchrisumlem3 27666 frgrogt3nreg 30759 ubthlem3 31235 spansncol 31931 riesz1 32428 fineqvac 35537 erdsze2lem2 35704 dfrdg4 36451 neibastop2 36900 onsuct0 36980 weiunpo 37004 bj-bary1 37984 topdifinffinlem 38021 finorwe 38056 poimirlem24 38323 incsequz 38427 caushft 38440 equivbnd 38469 cntotbnd 38475 4atexlemex4 40875 frege124d 44515 gneispace 44888 expgrowth 45073 vk15.4j 45265 sstrALT2 45571 iccpartdisj 48214 fppr2odd 48524 |
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