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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 418 | . 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 401 |
| 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 |
| This theorem is used by: dfsb2 2522 xpcan 6167 xpcan2 6168 mapxpen 9163 sucdom2 9219 inf3lem3 9632 dfac12r 10226 nnadju 10277 cfsuc 10336 fin23lem26 10404 iundom2g 10625 inar1 10861 rankcf 10863 ltsrpr 11163 supsrlem 11197 axpre-sup 11255 nominpos 12584 ublbneg 13061 qbtwnre 13330 fsequb 14119 fi1uzind 14653 brfi1indALT 14656 ccats1pfxeqrex 14865 rexanre 15515 rexuzre 15521 rexico 15522 caubnd 15527 rlim2lt 15665 rlim3 15666 lo1bddrp 15693 o1lo1 15705 climshftlem 15742 rlimcn3 15758 rlimo1 15785 lo1add 15795 lo1mul 15796 lo1le 15820 isercoll 15836 serf0 15849 cvgcmp 15984 dvds1lem 16438 dvds2lem 16439 mulmoddvds 16501 isprm5 16884 vdwlem2 17161 vdwlem10 17169 vdwlem11 17170 lsmcv 21420 lmconst 23580 ptcnplem 23941 fclscmp 24350 tsmsres 24464 addcnlem 25185 lebnumlem3 25285 xlebnum 25287 lebnumii 25288 iscmet3lem2 25614 bcthlem4 25649 cniccbdd 25783 ovoliunlem2 25825 mbfi1flimlem 26044 ply1divex 26456 aalioulem3 26662 aalioulem5 26664 aalioulem6 26665 aaliou 26666 ulmshftlem 26717 ulmbdd 26726 tanarg 26948 cxploglim 27306 ftalem2 27402 ftalem7 27407 dchrisumlem3 27819 frgrogt3nreg 30999 ubthlem3 31475 spansncol 32171 riesz1 32668 acwer1prc 35809 fineqvac 35833 j0ltaleph 35940 erdsze2lem2 36038 dfrdg4 36790 neibastop2 37224 onsuct0 37304 weiunpo 37328 bj-bary1 38309 topdifinffinlem 38346 finorwe 38381 poimirlem24 38638 incsequz 38758 caushft 38771 equivbnd 38800 cntotbnd 38806 4atexlemex4 41206 frege124d 44837 gneispace 45210 expgrowth 45395 vk15.4j 45587 sstrALT2 45893 iccpartdisj 48595 fppr2odd 48905 |
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