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| Mirrors > Home > MPE Home > Th. List > sylanbr | Structured version Visualization version GIF version | ||
| Description: A syllogism inference. (Contributed by NM, 18-May-1994.) |
| Ref | Expression |
|---|---|
| sylanbr.1 | ⊢ (𝜓 ↔ 𝜑) |
| sylanbr.2 | ⊢ ((𝜓 ∧ 𝜒) → 𝜃) |
| Ref | Expression |
|---|---|
| sylanbr | ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylanbr.1 | . . 3 ⊢ (𝜓 ↔ 𝜑) | |
| 2 | 1 | biimpri 231 | . 2 ⊢ (𝜑 → 𝜓) |
| 3 | sylanbr.2 | . 2 ⊢ ((𝜓 ∧ 𝜒) → 𝜃) | |
| 4 | 2, 3 | sylan 592 | 1 ⊢ ((𝜑 ∧ 𝜒) → 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: syl2anbr 611 rspc4v 3599 funfv 6992 2mpo0 7691 tfrlem7 8416 omword 8603 isinf 9281 fsuppunbi 9405 axdc3lem2 10553 supsrlem 11220 expclzlem 14250 expgt0 14262 expge0 14265 expge1 14266 swrdnd2 14830 resqrex 15443 rplpwr 16758 4sqlem19 17167 gexcl3 19828 thlle 22030 matunitlindflem2 23022 decpmataa0 23113 neindisj 23462 ptcmplem5 24402 tsmsxplem1 24499 tsmsxplem2 24500 elovolmr 25824 itgsubst 26396 logeftb 26938 logbchbase 27126 nosupbnd1lem5 28096 noinfbnd1lem5 28111 legov 29075 lfuhgr3 29755 unopbd 32644 nmcoplb 32659 nmcfnlb 32683 nmopcoi 32724 an52ds 33121 an62ds 33122 an72ds 33123 an82ds 33124 iocinif 33440 1arithufdlem4 34146 r1plmhm 34208 r1pquslmic 34209 voliune 34929 signstfvneq0 35268 axprALT2 35815 weexenwe 35847 dfk12 36011 dfk22 36012 dfk32 36013 f1omptsnlem 38450 unccur 38717 stoweidlem15 47228 hoiqssbllem3 47837 vonioo 47895 vonicc 47898 gboge9 49065 catprs 50328 |
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