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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 523 | . 2 ⊢ (𝜑 → ((𝜓 ∧ 𝜒) ∧ 𝜃)) |
| 5 | syl21anbrc.4 | . 2 ⊢ (𝜏 ↔ ((𝜓 ∧ 𝜒) ∧ 𝜃)) | |
| 6 | 4, 5 | sylibr 237 | 1 ⊢ (𝜑 → 𝜏) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 |
| 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 210 df-an 401 |
| This theorem is referenced by: fprlem1 8298 erinxp 8790 frrlem15 9730 fpwwe2lem11 10627 nqerf 10916 nqerid 10919 genpcl 10994 nqpr 11000 ltexprlem5 11026 psss 18637 psssdm2 18638 ismhmd 18845 idmhm 18854 resmhm2b 18882 prdspjmhm 18889 pwsdiagmhm 18891 pwsco1mhm 18892 pwsco2mhm 18893 frmdup1 18924 mhmfmhm 19132 isghmd 19296 ghmmhm 19297 idghm 19302 symgsubmefmndALT 19474 lactghmga 19476 frgpmhm 19836 frgpuplem 19843 mulgmhm 19898 isrhm2d 20570 idrhm 20573 pwsco1rhm 20585 pwsco2rhm 20586 subrgid 20659 issubrg2 20678 subsubrg 20684 pwsdiagrhm 20693 islmhmd 21141 reslmhm 21154 rngqiprngho 21424 issubassa 21998 subrgpsr 22108 mat1mhm 22622 mat1rhm 22623 scmatmhm 22672 scmatrhm 22673 mat2pmatmhm 22871 mat2pmatrhm 22872 m2cpmrhm 22884 pm2mpmhm 22958 pm2mprhm 22959 ptpjcn 23749 idnmhm 24892 pi1cpbl 25184 pi1grplem 25189 pi1xfr 25195 pi1coghm 25201 vitalilem1 25748 vitalilem3 25750 sltsd 27942 ssslts1 27947 ssslts2 27948 syl22anbrc 32787 fldgenfldext 34039 weiunso 36958 prjspertr 43320 prjspvs 43325 0prjspnrel 43342 nla0002 44133 nla0003 44134 clnbgrvtxel 48577 clnbgredg 48588 |
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