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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 6163 xpcan2 6164 mapxpen 9140 sucdom2 9196 inf3lem3 9609 dfac12r 10197 nnadju 10248 cfsuc 10307 fin23lem26 10375 iundom2g 10596 inar1 10832 rankcf 10834 ltsrpr 11134 supsrlem 11168 axpre-sup 11226 nominpos 12553 ublbneg 13030 qbtwnre 13299 fsequb 14087 fi1uzind 14620 brfi1indALT 14623 ccats1pfxeqrex 14832 rexanre 15482 rexuzre 15488 rexico 15489 caubnd 15494 rlim2lt 15632 rlim3 15633 lo1bddrp 15660 o1lo1 15672 climshftlem 15709 rlimcn3 15725 rlimo1 15752 lo1add 15762 lo1mul 15763 lo1le 15787 isercoll 15803 serf0 15816 cvgcmp 15951 dvds1lem 16405 dvds2lem 16406 mulmoddvds 16468 isprm5 16846 vdwlem2 17122 vdwlem10 17130 vdwlem11 17131 lsmcv 21381 lmconst 23541 ptcnplem 23902 fclscmp 24311 tsmsres 24425 addcnlem 25146 lebnumlem3 25246 xlebnum 25248 lebnumii 25249 iscmet3lem2 25575 bcthlem4 25610 cniccbdd 25744 ovoliunlem2 25786 mbfi1flimlem 26005 ply1divex 26417 aalioulem3 26625 aalioulem5 26627 aalioulem6 26628 aaliou 26629 ulmshftlem 26680 ulmbdd 26689 tanarg 26911 cxploglim 27269 ftalem2 27365 ftalem7 27370 dchrisumlem3 27782 frgrogt3nreg 30932 ubthlem3 31408 spansncol 32104 riesz1 32601 fineqvac 35709 erdsze2lem2 35890 dfrdg4 36637 neibastop2 37071 onsuct0 37151 weiunpo 37175 bj-bary1 38153 topdifinffinlem 38190 finorwe 38225 poimirlem24 38482 incsequz 38602 caushft 38615 equivbnd 38644 cntotbnd 38650 4atexlemex4 41050 frege124d 44705 gneispace 45078 expgrowth 45263 vk15.4j 45455 sstrALT2 45761 iccpartdisj 48441 fppr2odd 48751 |
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