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| Mirrors > Home > ILE Home > Th. List > sylibrd | GIF version | ||
| Description: A syllogism deduction. (Contributed by NM, 3-Aug-1994.) |
| Ref | Expression |
|---|---|
| sylibrd.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
| sylibrd.2 | ⊢ (𝜑 → (𝜃 ↔ 𝜒)) |
| Ref | Expression |
|---|---|
| sylibrd | ⊢ (𝜑 → (𝜓 → 𝜃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylibrd.1 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
| 2 | sylibrd.2 | . . 3 ⊢ (𝜑 → (𝜃 ↔ 𝜒)) | |
| 3 | 2 | biimprd 158 | . 2 ⊢ (𝜑 → (𝜒 → 𝜃)) |
| 4 | 1, 3 | syld 45 | 1 ⊢ (𝜑 → (𝜓 → 𝜃)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 105 |
| 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 |
| This theorem is used by: 3imtr4d 203 sbciegft 3082 opeldmg 4986 elreldm 5008 ssimaex 5764 resflem 5872 f1eqcocnv 5997 fliftfun 6002 isopolem 6028 isosolem 6030 brtposg 6525 issmo2 6560 nnmcl 6754 nnawordi 6788 nnmordi 6789 nnmord 6790 swoord1 6836 ecopovtrn 6906 ecopovtrng 6909 f1domg 7044 mapen 7146 mapxpen 7148 mapunen 7151 supmoti 7333 isotilem 7346 exmidomniim 7481 enq0tr 7801 prubl 7853 ltexprlemloc 7974 addextpr 7988 recexprlem1ssl 8000 recexprlem1ssu 8001 cauappcvgprlemdisj 8018 mulcmpblnr 8108 mulgt0sr 8145 map2psrprg 8172 ltleletr 8407 ltle 8413 ltadd2 8747 leltadd 8775 reapti 8908 apreap 8916 reapcotr 8927 apcotr 8936 addext 8939 mulext1 8941 zapne 9721 zextle 9739 prime 9747 uzin 9957 indstr 9995 supinfneg 9997 infsupneg 9998 ublbneg 10015 xrltle 10202 xrre2 10225 icc0r 10330 fzrevral 10514 flqge 10719 modqadd1 10800 modqmul1 10816 facdiv 11178 elfzelfzccat 11370 resqrexlemgt0 11788 abs00ap 11830 absext 11831 climshftlemg 12070 climcaucn 12119 dvds2lem 12572 dvdsfac 12629 ltoddhalfle 12662 ndvdsadd 12700 bitsinv1lem 12730 gcdaddm 12763 bezoutlembi 12784 gcdzeq 12801 algcvga 12831 rpdvds 12879 cncongr1 12883 cncongr2 12884 prmind2 12900 euclemma 12926 isprm6 12927 rpexp 12933 sqrt2irr 12942 odzdvds 13026 pclemub 13068 pceulem 13075 pc2dvds 13111 fldivp1 13129 infpnlem1 13140 prmunb 13143 ballotfilem7 13281 issubg4m 13998 imasabl 14142 fiinbas 15152 bastg 15164 tgcl 15167 opnssneib 15259 tgcnp 15312 iscnp4 15321 cnntr 15328 cnptopresti 15341 lmss 15349 lmtopcnp 15353 txdis 15380 xblss2ps 15507 xblss2 15508 blsscls2 15596 metequiv2 15599 bdxmet 15604 mulc1cncf 15692 cncfco 15694 sincosq2sgn 15931 sincosq3sgn 15932 sincosq4sgn 15933 lgsdir 16166 lgsquadlem2 16209 2sqlem8a 16253 2sqlem10 16256 uspgrushgr 16433 uspgrupgr 16434 usgruspgr 16436 clwwlkccatlem 16653 lealltlt1 16763 lealltlt2 16764 triap 17090 |
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