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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 11001 ccatalpha 11190 swrdccatin2 11310 swrdccatin2d 11325 rennim 11563 abs00ap 11623 absle 11650 cau3lem 11675 caubnd2 11678 climshft 11865 subcn2 11872 mulcn2 11873 serf0 11913 cvgratnnlemnexp 12086 cvgratnnlemmn 12087 efieq1re 12334 moddvds 12361 dvdsssfz1 12414 nn0seqcvgd 12614 algcvgblem 12622 eucalglt 12630 lcmgcdlem 12650 rpmul 12671 divgcdcoprm0 12674 isprm6 12720 rpexp 12726 eulerthlema 12803 eulerthlemh 12804 prmdiv 12808 pcprendvds2 12865 pcz 12906 pcprmpw 12908 pcadd2 12915 pcfac 12924 expnprm 12927 imasgrp2 13698 issubg4m 13781 znidomb 14674 tgss3 14804 cnpnei 14945 cnntr 14951 hmeoopn 15037 hmeocld 15038 mulcncflem 15333 plycolemc 15484 sincosq3sgn 15554 sincosq4sgn 15555 perfect1 15724 lgsdir2lem4 15762 lgsne0 15769 lgsquad2lem2 15813 2sqlem8a 15853 clwwlkext2edg 16275 bj-peano4 16553 iswomni0 16658 |
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