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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 583 | 1 ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ 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 210 df-an 400 |
This theorem is referenced by: syl2anbr 601 funfv 6725 2mpo0 7374 tfrlem7 8002 omword 8179 isinf 8715 fsuppunbi 8838 axdc3lem2 9862 supsrlem 10522 expclzlem 13449 expgt0 13458 expge0 13461 expge1 13462 swrdnd2 14008 resqrex 14602 rplpwr 15897 4sqlem19 16289 gexcl3 18704 thlle 20386 decpmataa0 21373 neindisj 21722 ptcmplem5 22661 tsmsxplem1 22758 tsmsxplem2 22759 elovolmr 24080 itgsubst 24652 logeftb 25175 logbchbase 25357 legov 26379 unopbd 29798 nmcoplb 29813 nmcfnlb 29837 nmopcoi 29878 iocinif 30530 voliune 31598 signstfvneq0 31952 lfuhgr3 32479 nosupbnd1lem5 33325 f1omptsnlem 34753 unccur 35040 matunitlindflem2 35054 stoweidlem15 42657 hoiqssbllem3 43263 vonioo 43321 vonicc 43324 gboge9 44282 |
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