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| Mirrors > Home > ILE Home > Th. List > sylibd | GIF version | ||
| Description: A syllogism deduction. (Contributed by NM, 3-Aug-1994.) |
| Ref | Expression |
|---|---|
| sylibd.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
| sylibd.2 | ⊢ (𝜑 → (𝜒 ↔ 𝜃)) |
| Ref | Expression |
|---|---|
| sylibd | ⊢ (𝜑 → (𝜓 → 𝜃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylibd.1 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
| 2 | sylibd.2 | . . 3 ⊢ (𝜑 → (𝜒 ↔ 𝜃)) | |
| 3 | 2 | biimpd 144 | . 2 ⊢ (𝜑 → (𝜒 → 𝜃)) |
| 4 | 1, 3 | syld 45 | 1 ⊢ (𝜑 → (𝜓 → 𝜃)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: 3imtr3d 202 dvelimdf 2069 ceqsalt 2829 sbceqal 3087 csbiebt 3167 rspcsbela 3187 preqr1g 3849 repizf2 4252 copsexg 4336 onun2 4588 suc11g 4655 elrnrexdm 5786 isoselem 5961 riotass2 6000 oawordriexmid 6638 nnm00 6698 ecopovtrn 6801 ecopovtrng 6804 infglbti 7224 difinfsnlem 7298 enq0tr 7654 addnqprl 7749 addnqpru 7750 mulnqprl 7788 mulnqpru 7789 recexprlemss1l 7855 recexprlemss1u 7856 cauappcvgprlemdisj 7871 mulextsr1lem 8000 pitonn 8068 rereceu 8109 cnegexlem1 8354 ltadd2 8599 eqord2 8664 mulext 8794 mulgt1 9043 lt2halves 9380 addltmul 9381 nzadd 9532 ltsubnn0 9547 zextlt 9572 recnz 9573 zeo 9585 peano5uzti 9588 irradd 9880 irrmul 9881 xltneg 10071 xleadd1 10110 icc0r 10161 fznuz 10337 uznfz 10338 facndiv 11002 ccatalpha 11191 swrdccatin2 11311 swrdccatin2d 11326 rennim 11564 abs00ap 11624 absle 11651 cau3lem 11676 caubnd2 11679 climshft 11866 subcn2 11873 mulcn2 11874 serf0 11914 cvgratnnlemnexp 12087 cvgratnnlemmn 12088 efieq1re 12335 moddvds 12362 dvdsssfz1 12415 nn0seqcvgd 12615 algcvgblem 12623 eucalglt 12631 lcmgcdlem 12651 rpmul 12672 divgcdcoprm0 12675 isprm6 12721 rpexp 12727 eulerthlema 12804 eulerthlemh 12805 prmdiv 12809 pcprendvds2 12866 pcz 12907 pcprmpw 12909 pcadd2 12916 pcfac 12925 expnprm 12928 imasgrp2 13699 issubg4m 13782 znidomb 14675 tgss3 14805 cnpnei 14946 cnntr 14952 hmeoopn 15038 hmeocld 15039 mulcncflem 15334 plycolemc 15485 sincosq3sgn 15555 sincosq4sgn 15556 perfect1 15725 lgsdir2lem4 15763 lgsne0 15770 lgsquad2lem2 15814 2sqlem8a 15854 clwwlkext2edg 16276 bj-peano4 16571 iswomni0 16676 |
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