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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 2070 ceqsalt 2839 sbceqal 3097 csbiebt 3177 rspcsbela 3197 preqr1g 3869 repizf2 4274 copsexg 4359 onun2 4611 suc11g 4678 elrnrexdm 5815 isoselem 5992 riotass2 6031 oawordriexmid 6702 nnm00 6762 ecopovtrn 6865 ecopovtrng 6868 infglbti 7315 difinfsnlem 7389 enq0tr 7745 addnqprl 7840 addnqpru 7841 mulnqprl 7879 mulnqpru 7880 recexprlemss1l 7946 recexprlemss1u 7947 cauappcvgprlemdisj 7962 mulextsr1lem 8091 pitonn 8159 rereceu 8200 cnegexlem1 8444 ltadd2 8689 eqord2 8754 mulext 8884 mulgt1 9133 lt2halves 9470 addltmul 9471 nzadd 9626 ltsubnn0 9641 zextlt 9666 recnz 9667 zeo 9679 peano5uzti 9682 irradd 9974 irrmul 9975 xltneg 10165 xleadd1 10204 icc0r 10255 fznuz 10432 uznfz 10433 facndiv 11097 ccatalpha 11294 swrdccatin2 11414 swrdccatin2d 11429 rennim 11680 abs00ap 11740 absle 11767 cau3lem 11792 caubnd2 11795 climshft 11982 subcn2 11989 mulcn2 11990 serf0 12030 cvgratnnlemnexp 12203 cvgratnnlemmn 12204 efieq1re 12451 moddvds 12478 dvdsssfz1 12531 nn0seqcvgd 12731 algcvgblem 12739 eucalglt 12747 lcmgcdlem 12767 rpmul 12788 divgcdcoprm0 12791 isprm6 12837 rpexp 12843 eulerthlema 12920 eulerthlemh 12921 prmdiv 12925 pcprendvds2 12982 pcz 13023 pcprmpw 13025 pcadd2 13032 pcfac 13041 expnprm 13044 imasgrp2 13816 issubg4m 13899 znidomb 14793 tgss3 14930 cnpnei 15071 cnntr 15077 hmeoopn 15163 hmeocld 15164 mulcncflem 15459 plycolemc 15610 sincosq3sgn 15680 sincosq4sgn 15681 perfect1 15853 lgsdir2lem4 15891 lgsne0 15898 lgsquad2lem2 15942 2sqlem8a 15982 clwwlkext2edg 16404 bj-peano4 16712 iswomni0 16823 |
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