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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 509 | . 2 ⊢ ((𝜑 ∧ 𝜃) → (𝜓 ↔ 𝜏)) |
| 4 | 3 | ancoms 458 | 1 ⊢ ((𝜃 ∧ 𝜑) → (𝜓 ↔ 𝜏)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This theorem depends on definitions: df-bi 207 df-an 396 |
| This theorem is referenced by: bimsc1 844 pm5.75 1030 sbcom2 2174 sbal1 2527 sbal2 2528 raaan2 4486 mpteq12f 5194 otthg 5447 fmptsng 7144 f1oiso 7328 mpoeq123 7463 elovmporab 7637 elovmporab1w 7638 elovmporab1 7639 ovmpt3rabdm 7650 elovmpt3rab1 7651 tfindsg 7839 findsg 7875 dfoprab4f 8037 opiota 8040 fmpox 8048 oalimcl 8526 oeeui 8568 nnmword 8599 isinf 9213 isinfOLD 9214 elfi 9370 brwdomn0 9528 alephval3 10069 dfac2b 10090 fin17 10353 isfin7-2 10355 ltmpi 10863 addclprlem1 10975 distrlem4pr 10985 1idpr 10988 qreccl 12934 0fz1 13511 zmodid2 13867 ccatrcl1 14565 eqwrds3 14933 divgcdcoprm0 16641 sscntz 19264 gexdvds 19520 rngcinv 20552 psdmvr 22062 cnprest 23182 txrest 23524 ptrescn 23532 flimrest 23876 txflf 23899 fclsrest 23917 tsmssubm 24036 mbfi1fseqlem4 25625 2sq2 27350 axcontlem7 28903 uhgreq12g 28998 nbuhgr2vtx1edgb 29285 wlkcomp 29565 uhgrwkspthlem2 29690 clwlkcomp 29715 wlknwwlksnbij 29824 hashecclwwlkn1 30012 umgrhashecclwwlk 30013 numclwwlk1lem2fo 30293 ubthlem1 30805 pjimai 32111 atcv1 32315 chirredi 32329 bj-restsn 37065 fvineqsneu 37394 pibt2 37400 wl-sbcom2d-lem1 37542 wl-sbalnae 37545 ptrest 37608 poimirlem28 37637 heicant 37644 ftc1anclem1 37682 sbeqi 38148 ralbi12f 38149 iineq12f 38153 brcnvepres 38251 elrnressn 38257 tfsconcat0i 43327 nzss 44299 or2expropbilem1 47023 modmkpkne 47352 ich2exprop 47462 ichnreuop 47463 ichreuopeq 47464 reuopreuprim 47517 rngcinvALTV 48254 snlindsntorlem 48449 itscnhlc0xyqsol 48744 opndisj 48879 |
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