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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 6598 foimacnv 6839 respreima 7062 fpr 7155 fnprb 7211 curry1 8105 fnwelem 8133 frrlem12 8300 tfrlem10 8380 oawordeulem 8545 oelim2 8587 oaabs2 8641 omabs 8643 ssdomg 9010 limenpsi 9154 dffi2 9397 gruina 10831 recmulnq 10977 reclem2pr 11061 f1resfz0f1d 13852 climeu 15646 cosmul 16267 2ebits 16543 algcvgblem 16673 s1chn 18714 mgmideud 18759 ismgmid 18764 mndideuOLD 18854 ga0 19431 efgs1 19868 ricref 20665 pzriprnglem4 21703 psdmvr 22403 distopon 23228 dfac14 23850 ptcmplem5 24288 sszcld 25050 itg11 25925 axlowdimlem13 29419 nbusgredgeu 29834 1trld 30620 cycpmconjslem1 33602 1stmbfm 34779 2ndmbfm 34780 bnj150 35393 satfrel 35954 satf0n0 35965 mh-inf3sn 37169 bj-projval 37748 exidu1 38614 rngoideu 38661 refrelressn 39360 disjimeceqbi 39562 rfcnpre1 45861 fundcmpsurinjlem2 48307 gpgprismgr4cycllem11 49029 |
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