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| Mirrors > Home > MPE Home > Th. List > sylanblrc | Structured version Visualization version GIF version | ||
| Description: Syllogism inference combined with a biconditional. (Contributed by BJ, 25-Apr-2019.) |
| Ref | Expression |
|---|---|
| sylanblrc.1 | ⊢ (𝜑 → 𝜓) |
| sylanblrc.2 | ⊢ 𝜒 |
| sylanblrc.3 | ⊢ (𝜃 ↔ (𝜓 ∧ 𝜒)) |
| Ref | Expression |
|---|---|
| sylanblrc | ⊢ (𝜑 → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylanblrc.1 | . 2 ⊢ (𝜑 → 𝜓) | |
| 2 | sylanblrc.2 | . . 3 ⊢ 𝜒 | |
| 3 | 2 | a1i 11 | . 2 ⊢ (𝜑 → 𝜒) |
| 4 | sylanblrc.3 | . 2 ⊢ (𝜃 ↔ (𝜓 ∧ 𝜒)) | |
| 5 | 1, 3, 4 | sylanbrc 595 | 1 ⊢ (𝜑 → 𝜃) |
| 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: fntp 6604 foimacnv 6845 respreima 7068 fpr 7161 fnprb 7216 curry1 8119 fnwelem 8147 frrlem12 8320 tfrlem10 8400 oawordeulem 8567 oelim2 8609 oaabs2 8663 omabs 8665 ssdomg 9032 limenpsi 9176 dffi2 9420 gruina 10908 recmulnq 11054 reclem2pr 11138 f1resfz0f1d 13932 climeu 15729 cosmul 16348 2ebits 16624 algcvgblem 16759 s1chn 18801 mgmideud 18846 ismgmid 18852 mndideuOLD 18942 ga0 19519 efgs1 19956 ricref 20755 pzriprnglem4 21797 psdmvr 22497 distopon 23322 dfac14 23944 ptcmplem5 24382 sszcld 25144 itg11 26019 axlowdimlem13 29539 nbusgredgeu 29954 1trld 30740 cycpmconjslem1 33763 1stmbfm 34940 2ndmbfm 34941 bnj150 35554 soinfdom 35770 satfrel 36220 satf0n0 36231 cardprcr 36552 mh-inf3sn 37424 bj-projval 38003 exidu1 38897 rngoideu 38944 refrelressn 39643 disjimeceqbi 39845 hfstructhf 46137 rfcnpre1 46143 fundcmpsurinjlem2 48588 gpgprismgr4cycllem11 49310 |
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