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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 2524 xpcan 6173 xpcan2 6174 mapxpen 9144 sucdom2 9200 inf3lem3 9612 dfac12r 10152 nnadju 10203 cfsuc 10262 fin23lem26 10330 iundom2g 10551 inar1 10787 rankcf 10789 ltsrpr 11089 supsrlem 11123 axpre-sup 11181 nominpos 12508 ublbneg 12985 qbtwnre 13253 fsequb 14041 fi1uzind 14574 brfi1indALT 14577 ccats1pfxeqrex 14786 rexanre 15436 rexuzre 15442 rexico 15443 caubnd 15448 rlim2lt 15586 rlim3 15587 lo1bddrp 15614 o1lo1 15626 climshftlem 15663 rlimcn3 15679 rlimo1 15706 lo1add 15716 lo1mul 15717 lo1le 15741 isercoll 15757 serf0 15770 cvgcmp 15905 dvds1lem 16361 dvds2lem 16362 mulmoddvds 16424 isprm5 16802 vdwlem2 17078 vdwlem10 17086 vdwlem11 17087 lsmcv 21332 lmconst 23490 ptcnplem 23851 fclscmp 24260 tsmsres 24374 addcnlem 25095 lebnumlem3 25195 xlebnum 25197 lebnumii 25198 iscmet3lem2 25524 bcthlem4 25559 cniccbdd 25693 ovoliunlem2 25735 mbfi1flimlem 25954 ply1divex 26367 aalioulem3 26570 aalioulem5 26572 aalioulem6 26573 aaliou 26574 ulmshftlem 26625 ulmbdd 26634 tanarg 26857 cxploglim 27215 ftalem2 27311 ftalem7 27316 dchrisumlem3 27728 frgrogt3nreg 30878 ubthlem3 31354 spansncol 32050 riesz1 32547 fineqvac 35644 erdsze2lem2 35785 dfrdg4 36532 neibastop2 36982 onsuct0 37062 weiunpo 37086 bj-bary1 38066 topdifinffinlem 38103 finorwe 38138 poimirlem24 38395 incsequz 38500 caushft 38513 equivbnd 38542 cntotbnd 38548 4atexlemex4 40948 frege124d 44603 gneispace 44976 expgrowth 45161 vk15.4j 45353 sstrALT2 45659 iccpartdisj 48339 fppr2odd 48649 |
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