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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 6969 2mpo0 7666 tfrlem7 8375 omword 8560 isinf 9238 fsuppunbi 9362 axdc3lem2 10456 supsrlem 11123 expclzlem 14149 expgt0 14161 expge0 14164 expge1 14165 swrdnd2 14727 resqrex 15339 rplpwr 16652 4sqlem19 17059 gexcl3 19715 thlle 21911 matunitlindflem2 22903 decpmataa0 22994 neindisj 23343 ptcmplem5 24283 tsmsxplem1 24380 tsmsxplem2 24381 elovolmr 25705 itgsubst 26278 logeftb 26818 logbchbase 27006 nosupbnd1lem5 27946 noinfbnd1lem5 27961 legov 28925 lfuhgr3 29593 unopbd 32482 nmcoplb 32497 nmcfnlb 32521 nmopcoi 32562 an52ds 32917 an62ds 32918 an72ds 32919 an82ds 32920 iocinif 33239 1arithufdlem4 33944 r1plmhm 34006 r1pquslmic 34007 voliune 34727 signstfvneq0 35067 axprALT2 35604 f1omptsnlem 38077 unccur 38344 stoweidlem15 46830 hoiqssbllem3 47439 vonioo 47497 vonicc 47500 gboge9 48667 catprs 49924 |
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