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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 2559 sbal2 2560 raaan2 4481 mpteq12f 5194 otthg 5465 dm0rn0 5912 fmptsng 7169 f1oiso 7355 mpoeq123 7488 elovmporab 7663 elovmporab1w 7664 elovmporab1 7665 ovmpt3rabdm 7676 elovmpt3rab1 7677 tfindsg 7860 findsg 7897 dfoprab4f 8056 opiota 8059 fmpox 8067 oalimcl 8550 oeeui 8593 nnmword 8624 isinf 9238 elfi 9386 brwdomn0 9544 alephval3 10116 dfac2b 10136 fin17 10399 isfin7-2 10401 ltmpi 10914 addclprlem1 11026 distrlem4pr 11036 1idpr 11039 qreccl 13019 0fz1 13598 zmodid2 13960 ccatrcl1 14661 eqwrds3 15034 divgcdcoprm0 16757 sscntz 19452 gexdvds 19710 rngcinv 20798 psdmvr 22396 cnprest 23513 txrest 23856 ptrescn 23864 flimrest 24208 txflf 24231 fclsrest 24249 tsmssubm 24368 mbfi1fseqlem4 25945 2sq2 27665 axcontlem7 29411 uhgreq12g 29506 nbuhgr2vtx1edgb 29796 wlkcomp 30074 uhgrwkspthlem2 30203 clwlkcomp 30229 wlknwwlksnbij 30340 hashecclwwlkn1 30531 umgrhashecclwwlk 30532 numclwwlk1lem2fo 30822 ubthlem1 31335 pjimai 32641 atcv1 32845 chirredi 32859 mplvrpmrhm 34042 bj-restsn 37817 fvineqsneu 38150 pibt2 38156 wl-sbcom2d-lem1 38307 wl-sbalnae 38310 ptrest 38353 poimirlem28 38382 heicant 38389 ftc1anclem1 38427 sbeqi 38892 ralbi12f 38893 iineq12f 38897 brcnvepres 39005 elrnressn 39013 qmapeldisjsim 39593 tfsconcat0i 44171 nzss 45126 sinnpoly 47744 or2expropbilem1 47905 modmkpkne 48240 ich2exprop 48356 ichnreuop 48357 ichreuopeq 48358 reuopreuprim 48411 rngcinvALTV 49176 snlindsntorlem 49385 itscnhlc0xyqsol 49680 opndisj 49814 |
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