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| Mirrors > Home > ILE Home > Th. List > sylan2br | GIF version | ||
| Description: A syllogism inference. (Contributed by NM, 21-Apr-1994.) |
| Ref | Expression |
|---|---|
| sylan2br.1 | ⊢ (𝜒 ↔ 𝜑) |
| sylan2br.2 | ⊢ ((𝜓 ∧ 𝜒) → 𝜃) |
| Ref | Expression |
|---|---|
| sylan2br | ⊢ ((𝜓 ∧ 𝜑) → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylan2br.1 | . . 3 ⊢ (𝜒 ↔ 𝜑) | |
| 2 | 1 | biimpri 133 | . 2 ⊢ (𝜑 → 𝜒) |
| 3 | sylan2br.2 | . 2 ⊢ ((𝜓 ∧ 𝜒) → 𝜃) | |
| 4 | 2, 3 | sylan2 286 | 1 ⊢ ((𝜓 ∧ 𝜑) → 𝜃) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: syl2anbr 292 xordc1 1435 exmid1stab 4296 imainss 5150 xpexr2m 5176 funeu2 5350 imadiflem 5406 fnop 5432 ssimaex 5703 isosolem 5960 acexmidlem2 6010 fnovex 6046 cnvoprab 6394 smores3 6454 freccllem 6563 riinerm 6772 pw1fin 7095 enq0sym 7642 peano5nnnn 8102 axcaucvglemres 8109 uzind3 9583 xrltnsym 10018 xsubge0 10106 0fz1 10270 seqf 10716 seq3f1oleml 10768 exp1 10797 expp1 10798 resqrexlemf1 11559 resqrexlemfp1 11560 clim2ser 11888 clim2ser2 11889 isermulc2 11891 summodclem3 11931 fisumss 11943 fsum3cvg3 11947 iserabs 12026 isumshft 12041 isumsplit 12042 geoisum1 12070 geoisum1c 12071 cvgratnnlemnexp 12075 cvgratz 12083 mertenslem2 12087 clim2prod 12090 clim2divap 12091 fprodseq 12134 prodssdc 12140 fprodssdc 12141 effsumlt 12243 efgt1p 12247 gcd0id 12540 nninfctlemfo 12601 lcmgcd 12640 lcmdvds 12641 lcmid 12642 isprm2lem 12678 pcmpt 12906 ennnfonelemjn 13013 issgrpd 13485 mulg1 13706 srglmhm 13996 srgrmhm 13997 ringlghm 14064 ringrghm 14065 neipsm 14868 xmetpsmet 15083 comet 15213 metrest 15220 expcncf 15323 lgscllem 15726 lgsdir2 15752 lgsdirnn0 15766 lgsdinn0 15767 cvgcmp2nlemabs 16572 nconstwlpolem 16605 |
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