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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 518 | . 2 ⊢ ((𝜑 ∧ 𝜃) → (𝜓 ↔ 𝜏)) |
| 4 | 3 | ancoms 463 | 1 ⊢ ((𝜃 ∧ 𝜑) → (𝜓 ↔ 𝜏)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 400 |
| 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 401 |
| This theorem is used by: bimsc1 857 pm5.75 1046 sbcom2 2207 sbal1 2560 sbal2 2561 raaan2 4483 mpteq12f 5196 otthg 5467 dm0rn0 5914 fmptsng 7166 f1oiso 7349 mpoeq123 7482 elovmporab 7656 elovmporab1w 7657 elovmporab1 7658 ovmpt3rabdm 7669 elovmpt3rab1 7670 tfindsg 7853 findsg 7890 dfoprab4f 8049 opiota 8052 fmpox 8060 oalimcl 8541 oeeui 8584 nnmword 8615 isinf 9221 elfi 9369 brwdomn0 9527 alephval3 10099 dfac2b 10119 fin17 10382 isfin7-2 10384 ltmpi 10893 addclprlem1 11005 distrlem4pr 11015 1idpr 11018 qreccl 12997 0fz1 13576 zmodid2 13937 ccatrcl1 14637 eqwrds3 15003 divgcdcoprm0 16727 sscntz 19400 gexdvds 19658 rngcinv 20745 psdmvr 22341 cnprest 23455 txrest 23797 ptrescn 23805 flimrest 24149 txflf 24172 fclsrest 24190 tsmssubm 24309 mbfi1fseqlem4 25886 2sq2 27606 axcontlem7 29329 uhgreq12g 29424 nbuhgr2vtx1edgb 29711 wlkcomp 29989 uhgrwkspthlem2 30112 clwlkcomp 30137 wlknwwlksnbij 30246 hashecclwwlkn1 30437 umgrhashecclwwlk 30438 numclwwlk1lem2fo 30718 ubthlem1 31231 pjimai 32537 atcv1 32741 chirredi 32755 mplvrpmrhm 33946 bj-restsn 37752 fvineqsneu 38085 pibt2 38091 wl-sbcom2d-lem1 38242 wl-sbalnae 38245 ptrest 38298 poimirlem28 38327 heicant 38334 ftc1anclem1 38372 sbeqi 38836 ralbi12f 38837 iineq12f 38841 brcnvepres 38949 elrnressn 38957 qmapeldisjsim 39537 tfsconcat0i 44100 nzss 45055 sinnpoly 47656 or2expropbilem1 47797 modmkpkne 48132 ich2exprop 48248 ichnreuop 48249 ichreuopeq 48250 reuopreuprim 48303 rngcinvALTV 49069 snlindsntorlem 49278 itscnhlc0xyqsol 49573 opndisj 49709 |
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