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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 522 | . 2 ⊢ (𝜑 → ((𝜓 ∧ 𝜒) ∧ 𝜃)) |
| 5 | syl21anbrc.4 | . 2 ⊢ (𝜏 ↔ ((𝜓 ∧ 𝜒) ∧ 𝜃)) | |
| 6 | 4, 5 | sylibr 236 | 1 ⊢ (𝜑 → 𝜏) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 399 |
| 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 209 df-an 400 |
| This theorem is referenced by: fprlem1 8274 erinxp 8766 frrlem15 9708 fpwwe2lem11 10592 nqerf 10881 nqerid 10884 genpcl 10959 nqpr 10965 ltexprlem5 10991 psss 18602 psssdm2 18603 ismhmd 18810 idmhm 18819 resmhm2b 18846 prdspjmhm 18853 pwsdiagmhm 18855 pwsco1mhm 18856 pwsco2mhm 18857 frmdup1 18888 mhmfmhm 19097 isghmd 19255 ghmmhm 19256 idghm 19261 symgsubmefmndALT 19433 lactghmga 19435 frgpmhm 19795 frgpuplem 19802 mulgmhm 19857 isrhm2d 20522 idrhm 20525 pwsco1rhm 20537 pwsco2rhm 20538 subrgid 20609 issubrg2 20628 subsubrg 20634 pwsdiagrhm 20643 islmhmd 21093 reslmhm 21106 rngqiprngho 21360 issubassa 21906 subrgpsr 22016 mat1mhm 22531 mat1rhm 22532 scmatmhm 22581 scmatrhm 22582 mat2pmatmhm 22780 mat2pmatrhm 22781 m2cpmrhm 22793 pm2mpmhm 22867 pm2mprhm 22868 ptpjcn 23658 idnmhm 24801 pi1cpbl 25093 pi1grplem 25098 pi1xfr 25104 pi1coghm 25110 vitalilem1 25657 vitalilem3 25659 sltsd 27848 ssslts1 27853 ssslts2 27854 syl22anbrc 32613 fldgenfldext 33925 weiunso 36786 prjspertr 43147 prjspvs 43152 0prjspnrel 43169 nla0002 43960 nla0003 43961 clnbgrvtxel 48411 clnbgredg 48422 |
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