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| Mirrors > Home > ILE Home > Th. List > syl3an1 | GIF version | ||
| Description: A syllogism inference. (Contributed by NM, 22-Aug-1995.) |
| Ref | Expression |
|---|---|
| syl3an1.1 | ⊢ (𝜑 → 𝜓) |
| syl3an1.2 | ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜃) → 𝜏) |
| Ref | Expression |
|---|---|
| syl3an1 | ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜃) → 𝜏) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl3an1.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | 1 | 3anim1i 1216 | . 2 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜃) → (𝜓 ∧ 𝜒 ∧ 𝜃)) |
| 3 | syl3an1.2 | . 2 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜃) → 𝜏) | |
| 4 | 2, 3 | syl 14 | 1 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜃) → 𝜏) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1009 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 df-3an 1011 |
| This theorem is used by: syl3an1b 1314 syl3an1br 1317 wepo 4506 f1ofveu 6076 fovcdmda 6236 suppvalfng 6484 smoiso 6578 tfrcl 6640 omv 6733 oeiv 6734 nndi 6764 nnmsucr 6766 f1oen2g 7047 f1dom2g 7048 undiffi 7238 prarloclemarch2 7792 distrnq0 7832 ltprordil 7962 1idprl 7963 1idpru 7964 ltpopr 7968 ltexprlemopu 7976 ltexprlemdisj 7979 ltexprlemfl 7982 ltexprlemfu 7984 ltexprlemru 7985 recexprlemdisj 8003 recexprlemss1l 8008 recexprlemss1u 8009 cnegexlem1 8508 msqge0 8952 mulge0 8955 divnegap 9044 divdiv32ap 9058 divneg2ap 9074 peano2uz 9998 lbzbi 10031 negqmod0 10788 modqmuladdnn0 10825 expnlbnd 11122 fun2dmnop 11324 shftfvalg 11604 xrmaxaddlem 12050 retanclap 12513 tannegap 12519 demoivreALT 12565 gcd0id 12780 isprm3 12920 euclemma 12949 phiprmpw 13028 fermltl 13040 sgrpcl 13782 mndcl 13794 imasmnd2 13817 grpcl 13871 dfgrp2 13890 grprcan 13900 grpsubcl 13943 imasgrp2 13971 mhmid 13976 mhmmnd 13977 mulginvcom 14008 mulgnndir 14012 mulgnnass 14018 qusgrp 14093 ghmmulg 14117 ghmrn 14118 ghmeqker 14132 ablcom 14195 ablinvadd 14203 ghmcmn 14220 rngacl 14347 rngpropd 14360 srgacl 14392 srgcom 14393 ringacl 14441 imasring 14477 subrngacl 14624 subrgacl 14648 subrgugrp 14656 ringen1zr0 14730 lmodacl 14743 lmodmcl 14744 lmodvacl 14746 lmodvsubcl 14777 lmod4 14782 lmodvaddsub4 14784 lmodvpncan 14785 lmodvnpcan 14786 lmodsubeq0 14791 ascldimul 15139 rnasclmulcl 15145 psmetcl 15569 xmetcl 15595 metcl 15596 meteq0 15603 metge0 15609 metsym 15614 blelrnps 15662 blelrn 15663 blssm 15664 blres 15677 mscl 15708 xmscl 15709 xmsge0 15710 xmseq0 15711 xmssym 15712 mopnin 15730 sincosq1sgn 16070 sincosq2sgn 16071 sincosq3sgn 16072 sincosq4sgn 16073 lgsneg1 16366 usgredg2vtx 16680 uspgredg2vtxeu 16681 usgredg2vtxeu 16682 |
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