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| Mirrors > Home > MPE Home > Th. List > syl21anbrc | Structured version Visualization version GIF version | ||
| Description: Syllogism inference. (Contributed by Peter Mazsa, 18-Sep-2022.) |
| Ref | Expression |
|---|---|
| syl21anbrc.1 | ⊢ (𝜑 → 𝜓) |
| syl21anbrc.2 | ⊢ (𝜑 → 𝜒) |
| syl21anbrc.3 | ⊢ (𝜑 → 𝜃) |
| syl21anbrc.4 | ⊢ (𝜏 ↔ ((𝜓 ∧ 𝜒) ∧ 𝜃)) |
| Ref | Expression |
|---|---|
| syl21anbrc | ⊢ (𝜑 → 𝜏) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl21anbrc.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | syl21anbrc.2 | . . 3 ⊢ (𝜑 → 𝜒) | |
| 3 | syl21anbrc.3 | . . 3 ⊢ (𝜑 → 𝜃) | |
| 4 | 1, 2, 3 | jca31 519 | . 2 ⊢ (𝜑 → ((𝜓 ∧ 𝜒) ∧ 𝜃)) |
| 5 | syl21anbrc.4 | . 2 ⊢ (𝜏 ↔ ((𝜓 ∧ 𝜒) ∧ 𝜃)) | |
| 6 | 4, 5 | sylibr 235 | 1 ⊢ (𝜑 → 𝜏) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 ∧ wa 396 |
| 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 208 df-an 397 |
| This theorem is referenced by: fprlem1 8247 erinxp 8735 frrlem15 9679 fpwwe2lem11 10562 nqerf 10851 nqerid 10854 genpcl 10929 nqpr 10935 ltexprlem5 10961 psss 18544 psssdm2 18545 ismhmd 18752 idmhm 18761 resmhm2b 18788 prdspjmhm 18795 pwsdiagmhm 18797 pwsco1mhm 18798 pwsco2mhm 18799 frmdup1 18830 mhmfmhm 19039 isghmd 19198 ghmmhm 19199 idghm 19204 symgsubmefmndALT 19376 lactghmga 19378 frgpmhm 19738 frgpuplem 19745 mulgmhm 19800 isrhm2d 20465 idrhm 20468 pwsco1rhm 20480 pwsco2rhm 20481 subrgid 20552 issubrg2 20571 subsubrg 20577 pwsdiagrhm 20586 islmhmd 21036 reslmhm 21049 rngqiprngho 21303 issubassa 21849 subrgpsr 21959 mat1mhm 22474 mat1rhm 22475 scmatmhm 22524 scmatrhm 22525 mat2pmatmhm 22723 mat2pmatrhm 22724 m2cpmrhm 22736 pm2mpmhm 22810 pm2mprhm 22811 ptpjcn 23601 idnmhm 24744 pi1cpbl 25036 pi1grplem 25041 pi1xfr 25047 pi1coghm 25053 vitalilem1 25600 vitalilem3 25602 sltsd 27785 ssslts1 27790 ssslts2 27791 syl22anbrc 32550 fldgenfldext 33859 weiunso 36701 prjspertr 43062 prjspvs 43067 0prjspnrel 43084 nla0002 43875 nla0003 43876 clnbgrvtxel 48327 clnbgredg 48338 |
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