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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 4504 f1ofveu 6073 fovcdmda 6233 suppvalfng 6480 smoiso 6573 tfrcl 6635 omv 6728 oeiv 6729 nndi 6759 nnmsucr 6761 f1oen2g 7041 f1dom2g 7042 undiffi 7232 prarloclemarch2 7786 distrnq0 7826 ltprordil 7956 1idprl 7957 1idpru 7958 ltpopr 7962 ltexprlemopu 7970 ltexprlemdisj 7973 ltexprlemfl 7976 ltexprlemfu 7978 ltexprlemru 7979 recexprlemdisj 7997 recexprlemss1l 8002 recexprlemss1u 8003 cnegexlem1 8501 msqge0 8944 mulge0 8947 divnegap 9036 divdiv32ap 9050 divneg2ap 9066 peano2uz 9983 lbzbi 10016 negqmod0 10768 modqmuladdnn0 10805 expnlbnd 11102 fun2dmnop 11303 shftfvalg 11583 xrmaxaddlem 12026 retanclap 12489 tannegap 12495 demoivreALT 12541 gcd0id 12756 isprm3 12896 euclemma 12924 phiprmpw 13000 fermltl 13012 sgrpcl 13724 mndcl 13736 imasmnd2 13759 grpcl 13813 dfgrp2 13832 grprcan 13842 grpsubcl 13885 imasgrp2 13913 mhmid 13918 mhmmnd 13919 mulginvcom 13950 mulgnndir 13954 mulgnnass 13960 qusgrp 14035 ghmmulg 14059 ghmrn 14060 ghmeqker 14074 ablcom 14106 ablinvadd 14114 ghmcmn 14131 rngacl 14241 rngpropd 14254 srgacl 14286 srgcom 14287 ringacl 14335 imasring 14369 subrngacl 14516 subrgacl 14540 subrgugrp 14548 ringen1zr0 14622 lmodacl 14635 lmodmcl 14636 lmodvacl 14638 lmodvsubcl 14669 lmod4 14674 lmodvaddsub4 14676 lmodvpncan 14677 lmodvnpcan 14678 lmodsubeq0 14683 ascldimul 15031 rnasclmulcl 15037 psmetcl 15427 xmetcl 15453 metcl 15454 meteq0 15461 metge0 15467 metsym 15472 blelrnps 15520 blelrn 15521 blssm 15522 blres 15535 mscl 15566 xmscl 15567 xmsge0 15568 xmseq0 15569 xmssym 15570 mopnin 15588 sincosq1sgn 15927 sincosq2sgn 15928 sincosq3sgn 15929 sincosq4sgn 15930 lgsneg1 16144 usgredg2vtx 16458 uspgredg2vtxeu 16459 usgredg2vtxeu 16460 |
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