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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 2067 ceqsalt 2826 sbceqal 3084 csbiebt 3164 rspcsbela 3184 preqr1g 3844 repizf2 4247 copsexg 4331 onun2 4583 suc11g 4650 elrnrexdm 5779 isoselem 5953 riotass2 5992 oawordriexmid 6629 nnm00 6689 ecopovtrn 6792 ecopovtrng 6795 infglbti 7208 difinfsnlem 7282 enq0tr 7637 addnqprl 7732 addnqpru 7733 mulnqprl 7771 mulnqpru 7772 recexprlemss1l 7838 recexprlemss1u 7839 cauappcvgprlemdisj 7854 mulextsr1lem 7983 pitonn 8051 rereceu 8092 cnegexlem1 8337 ltadd2 8582 eqord2 8647 mulext 8777 mulgt1 9026 lt2halves 9363 addltmul 9364 nzadd 9515 ltsubnn0 9530 zextlt 9555 recnz 9556 zeo 9568 peano5uzti 9571 irradd 9858 irrmul 9859 xltneg 10049 xleadd1 10088 icc0r 10139 fznuz 10315 uznfz 10316 facndiv 10978 ccatalpha 11166 swrdccatin2 11282 swrdccatin2d 11297 rennim 11534 abs00ap 11594 absle 11621 cau3lem 11646 caubnd2 11649 climshft 11836 subcn2 11843 mulcn2 11844 serf0 11884 cvgratnnlemnexp 12056 cvgratnnlemmn 12057 efieq1re 12304 moddvds 12331 dvdsssfz1 12384 nn0seqcvgd 12584 algcvgblem 12592 eucalglt 12600 lcmgcdlem 12620 rpmul 12641 divgcdcoprm0 12644 isprm6 12690 rpexp 12696 eulerthlema 12773 eulerthlemh 12774 prmdiv 12778 pcprendvds2 12835 pcz 12876 pcprmpw 12878 pcadd2 12885 pcfac 12894 expnprm 12897 imasgrp2 13668 issubg4m 13751 znidomb 14643 tgss3 14773 cnpnei 14914 cnntr 14920 hmeoopn 15006 hmeocld 15007 mulcncflem 15302 plycolemc 15453 sincosq3sgn 15523 sincosq4sgn 15524 perfect1 15693 lgsdir2lem4 15731 lgsne0 15738 lgsquad2lem2 15782 2sqlem8a 15822 clwwlkext2edg 16190 bj-peano4 16427 iswomni0 16533 |
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