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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 218 | . 2 ⊢ (𝜑 → 𝜓) |
3 | sylanbr.2 | . 2 ⊢ ((𝜓 ∧ 𝜒) → 𝜃) | |
4 | 2, 3 | sylan 488 | 1 ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∧ wa 384 |
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 197 df-an 386 |
This theorem is referenced by: syl2anbr 497 funfv 6265 2mpt20 6882 tfrlem7 7479 omword 7650 isinf 8173 fsuppunbi 8296 axdc3lem2 9273 supsrlem 9932 expclzlem 12884 expgt0 12893 expge0 12896 expge1 12897 swrdnd2 13433 resqrex 13991 rplpwr 15276 4sqlem19 15667 gexcl3 18002 thlle 20041 decpmataa0 20573 neindisj 20921 ptcmplem5 21860 tsmsxplem1 21956 tsmsxplem2 21957 elovolmr 23244 itgsubst 23812 logeftb 24330 logbchbase 24509 legov 25480 unopbd 28874 nmcoplb 28889 nmcfnlb 28913 nmopcoi 28954 iocinif 29543 voliune 30292 signstfvneq0 30649 nosupbnd1lem5 31858 f1omptsnlem 33183 unccur 33392 matunitlindflem2 33406 stoweidlem15 40232 hoiqssbllem3 40838 vonioo 40896 vonicc 40899 gboge9 41652 |
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