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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 2209 sbal1 2557 sbal2 2558 raaan2 4478 mpteq12f 5190 otthg 5461 dm0rn0 5910 fmptsng 7169 f1oiso 7355 mpoeq123 7488 elovmporab 7663 elovmporab1w 7664 elovmporab1 7665 ovmpt3rabdm 7676 elovmpt3rab1 7677 tfindsg 7863 findsg 7900 dfoprab4f 8058 opiota 8061 fmpox 8069 oalimcl 8554 oeeui 8597 nnmword 8628 isinf 9242 elfi 9390 brwdomn0 9548 alephval3 10138 dfac2b 10158 fin17 10421 isfin7-2 10423 ltmpi 10938 addclprlem1 11050 distrlem4pr 11060 1idpr 11063 qreccl 13044 0fz1 13623 zmodid2 13985 ccatrcl1 14686 eqwrds3 15059 divgcdcoprm0 16780 sscntz 19479 gexdvds 19737 rngcinv 20828 psdmvr 22429 cnprest 23546 txrest 23889 ptrescn 23897 flimrest 24241 txflf 24264 fclsrest 24282 tsmssubm 24401 mbfi1fseqlem4 25978 2sq2 27701 axcontlem7 29459 uhgreq12g 29554 nbuhgr2vtx1edgb 29844 wlkcomp 30122 uhgrwkspthlem2 30251 clwlkcomp 30277 wlknwwlksnbij 30388 hashecclwwlkn1 30579 umgrhashecclwwlk 30580 numclwwlk1lem2fo 30870 ubthlem1 31383 pjimai 32689 atcv1 32893 chirredi 32907 mplvrpmrhm 34090 bj-restsn 37899 fvineqsneu 38230 pibt2 38236 wl-sbcom2d-lem1 38387 wl-sbalnae 38390 ptrest 38433 poimirlem28 38462 heicant 38469 ftc1anclem1 38507 sbeqi 38972 ralbi12f 38973 iineq12f 38977 brcnvepres 39085 elrnressn 39093 qmapeldisjsim 39673 tfsconcat0i 44251 nzss 45206 sinnpoly 47824 or2expropbilem1 47985 modmkpkne 48320 ich2exprop 48436 ichnreuop 48437 ichreuopeq 48438 reuopreuprim 48491 rngcinvALTV 49256 snlindsntorlem 49465 itscnhlc0xyqsol 49760 opndisj 49894 |
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