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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 2072 ceqsalt 2842 sbceqal 3100 csbiebt 3180 rspcsbela 3200 preqr1g 3872 repizf2 4277 copsexg 4362 onun2 4614 suc11g 4681 elrnrexdm 5818 isoselem 5995 riotass2 6034 oawordriexmid 6705 nnm00 6765 ecopovtrn 6868 ecopovtrng 6871 infglbti 7318 difinfsnlem 7392 enq0tr 7754 addnqprl 7849 addnqpru 7850 mulnqprl 7888 mulnqpru 7889 recexprlemss1l 7955 recexprlemss1u 7956 cauappcvgprlemdisj 7971 mulextsr1lem 8100 pitonn 8168 rereceu 8209 cnegexlem1 8453 ltadd2 8698 eqord2 8763 mulext 8893 mulgt1 9142 lt2halves 9479 addltmul 9480 nzadd 9635 ltsubnn0 9650 zextlt 9676 recnz 9677 zeo 9689 peano5uzti 9692 irradd 9984 irrmul 9985 xltneg 10175 xleadd1 10214 icc0r 10265 fznuz 10443 uznfz 10444 facndiv 11109 ccatalpha 11309 swrdccatin2 11429 swrdccatin2d 11444 rennim 11695 abs00ap 11755 absle 11782 cau3lem 11807 caubnd2 11810 climshft 11997 subcn2 12004 mulcn2 12005 serf0 12045 cvgratnnlemnexp 12218 cvgratnnlemmn 12219 efieq1re 12466 moddvds 12493 dvdsssfz1 12546 nn0seqcvgd 12746 algcvgblem 12754 eucalglt 12762 lcmgcdlem 12782 rpmul 12803 divgcdcoprm0 12806 isprm6 12852 rpexp 12858 eulerthlema 12935 eulerthlemh 12936 prmdiv 12940 pcprendvds2 12997 pcz 13038 pcprmpw 13040 pcadd2 13047 pcfac 13056 expnprm 13059 imasgrp2 13848 issubg4m 13931 znidomb 14855 tgss3 14992 cnpnei 15133 cnntr 15139 hmeoopn 15225 hmeocld 15226 mulcncflem 15521 plycolemc 15672 sincosq3sgn 15742 sincosq4sgn 15743 perfect1 15915 lgsdir2lem4 15953 lgsne0 15960 lgsquad2lem2 16004 2sqlem8a 16044 clwwlkext2edg 16466 bj-peano4 16774 iswomni0 16885 |
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