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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 2068 ceqsalt 2828 sbceqal 3086 csbiebt 3166 rspcsbela 3186 preqr1g 3850 repizf2 4254 copsexg 4338 onun2 4590 suc11g 4657 elrnrexdm 5789 isoselem 5966 riotass2 6005 oawordriexmid 6643 nnm00 6703 ecopovtrn 6806 ecopovtrng 6809 infglbti 7229 difinfsnlem 7303 enq0tr 7659 addnqprl 7754 addnqpru 7755 mulnqprl 7793 mulnqpru 7794 recexprlemss1l 7860 recexprlemss1u 7861 cauappcvgprlemdisj 7876 mulextsr1lem 8005 pitonn 8073 rereceu 8114 cnegexlem1 8359 ltadd2 8604 eqord2 8669 mulext 8799 mulgt1 9048 lt2halves 9385 addltmul 9386 nzadd 9537 ltsubnn0 9552 zextlt 9577 recnz 9578 zeo 9590 peano5uzti 9593 irradd 9885 irrmul 9886 xltneg 10076 xleadd1 10115 icc0r 10166 fznuz 10342 uznfz 10343 facndiv 11007 ccatalpha 11199 swrdccatin2 11319 swrdccatin2d 11334 rennim 11585 abs00ap 11645 absle 11672 cau3lem 11697 caubnd2 11700 climshft 11887 subcn2 11894 mulcn2 11895 serf0 11935 cvgratnnlemnexp 12108 cvgratnnlemmn 12109 efieq1re 12356 moddvds 12383 dvdsssfz1 12436 nn0seqcvgd 12636 algcvgblem 12644 eucalglt 12652 lcmgcdlem 12672 rpmul 12693 divgcdcoprm0 12696 isprm6 12742 rpexp 12748 eulerthlema 12825 eulerthlemh 12826 prmdiv 12830 pcprendvds2 12887 pcz 12928 pcprmpw 12930 pcadd2 12937 pcfac 12946 expnprm 12949 imasgrp2 13720 issubg4m 13803 znidomb 14696 tgss3 14831 cnpnei 14972 cnntr 14978 hmeoopn 15064 hmeocld 15065 mulcncflem 15360 plycolemc 15511 sincosq3sgn 15581 sincosq4sgn 15582 perfect1 15751 lgsdir2lem4 15789 lgsne0 15796 lgsquad2lem2 15840 2sqlem8a 15880 clwwlkext2edg 16302 bj-peano4 16610 iswomni0 16723 |
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