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| Mirrors > Home > MPE Home > Th. List > sylan9bbr | Structured version Visualization version GIF version | ||
| Description: Nested syllogism inference conjoining dissimilar antecedents. (Contributed by NM, 4-Mar-1995.) |
| Ref | Expression |
|---|---|
| sylan9bbr.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| sylan9bbr.2 | ⊢ (𝜃 → (𝜒 ↔ 𝜏)) |
| Ref | Expression |
|---|---|
| sylan9bbr | ⊢ ((𝜃 ∧ 𝜑) → (𝜓 ↔ 𝜏)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylan9bbr.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 2 | sylan9bbr.2 | . . 3 ⊢ (𝜃 → (𝜒 ↔ 𝜏)) | |
| 3 | 1, 2 | sylan9bb 519 | . 2 ⊢ ((𝜑 ∧ 𝜃) → (𝜓 ↔ 𝜏)) |
| 4 | 3 | ancoms 464 | 1 ⊢ ((𝜃 ∧ 𝜑) → (𝜓 ↔ 𝜏)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ 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: bimsc1 858 pm5.75 1046 sbcom2 2208 sbal1 2557 sbal2 2558 raaan2 4477 mpteq12f 5189 otthg 5453 dm0rn0 5905 fmptsng 7173 f1oiso 7359 mpoeq123 7492 elovmporab 7667 elovmporab1w 7668 elovmporab1 7669 ovmpt3rabdm 7680 elovmpt3rab1 7681 tfindsg 7872 findsg 7909 dfoprab4f 8067 opiota 8070 fmpox 8078 oalimcl 8568 oeeui 8611 nnmword 8642 isinf 9256 elfi 9405 brwdomn0 9563 alephval3 10189 dfac2b 10209 fin17 10472 isfin7-2 10474 ltmpi 10989 addclprlem1 11101 distrlem4pr 11111 1idpr 11114 qreccl 13097 0fz1 13677 zmodid2 14039 ccatrcl1 14741 eqwrds3 15114 divgcdcoprm0 16840 sscntz 19540 gexdvds 19798 rngcinv 20889 psdmvr 22490 cnprest 23607 txrest 23950 ptrescn 23958 flimrest 24302 txflf 24325 fclsrest 24343 tsmssubm 24462 mbfi1fseqlem4 26039 2sq2 27760 axcontlem7 29548 uhgreq12g 29643 nbuhgr2vtx1edgb 29933 wlkcomp 30211 uhgrwkspthlem2 30340 clwlkcomp 30366 wlknwwlksnbij 30477 hashecclwwlkn1 30668 umgrhashecclwwlk 30669 numclwwlk1lem2fo 30959 ubthlem1 31472 pjimai 32778 atcv1 32982 chirredi 32996 mplvrpmrhm 34221 bj-restsn 38045 fvineqsneu 38377 pibt2 38383 wl-sbcom2d-lem1 38534 wl-sbalnae 38537 ptrest 38580 poimirlem28 38609 heicant 38616 ftc1anclem1 38654 sbeqi 39134 ralbi12f 39135 iineq12f 39139 brcnvepres 39247 elrnressn 39255 qmapeldisjsim 39835 tfsconcat0i 44389 nzss 45343 sinnpoly 47983 or2expropbilem1 48144 modmkpkne 48479 ich2exprop 48595 ichnreuop 48596 ichreuopeq 48597 reuopreuprim 48650 rngcinvALTV 49415 snlindsntorlem 49624 itscnhlc0xyqsol 49919 opndisj 50053 |
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