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Mirrors > Home > ILE Home > Th. List > syl6bi | GIF version |
Description: A mixed syllogism inference. (Contributed by NM, 2-Jan-1994.) |
Ref | Expression |
---|---|
syl6bi.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
syl6bi.2 | ⊢ (𝜒 → 𝜃) |
Ref | Expression |
---|---|
syl6bi | ⊢ (𝜑 → (𝜓 → 𝜃)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl6bi.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
2 | 1 | biimpd 143 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) |
3 | syl6bi.2 | . 2 ⊢ (𝜒 → 𝜃) | |
4 | 2, 3 | syl6 33 | 1 ⊢ (𝜑 → (𝜓 → 𝜃)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ↔ wb 104 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: 19.33bdc 1617 ax11i 1701 equveli 1746 eupickbi 2095 nfabdw 2325 rgen2a 2518 reu6 2910 sseq0 3445 disjel 3458 preq12b 3744 prel12 3745 prneimg 3748 elinti 3827 exmidundif 4179 opthreg 4527 elreldm 4824 issref 4980 relcnvtr 5117 relresfld 5127 funopg 5216 funimass2 5260 f0dom0 5375 fvimacnv 5594 elunirn 5728 oprabid 5865 op1steq 6139 f1o2ndf1 6187 reldmtpos 6212 rntpos 6216 nntri3or 6452 nnaordex 6486 nnawordex 6487 findcard2 6846 findcard2s 6847 mkvprop 7113 cc2lem 7198 lt2addnq 7336 lt2mulnq 7337 genpelvl 7444 genpelvu 7445 distrlem5prl 7518 distrlem5pru 7519 caucvgprlemnkj 7598 map2psrprg 7737 rereceu 7821 ltxrlt 7955 0mnnnnn0 9137 elnnnn0b 9149 nn0le2is012 9264 btwnz 9301 uz11 9479 nn01to3 9546 zq 9555 xrltso 9723 xltnegi 9762 xnn0lenn0nn0 9792 xnn0xadd0 9794 iccleub 9858 fzdcel 9965 uznfz 10028 2ffzeq 10066 elfzonlteqm1 10135 icogelb 10191 flqeqceilz 10243 modqadd1 10286 modqmul1 10302 frecuzrdgtcl 10337 frecuzrdgfunlem 10344 fzfig 10355 m1expeven 10492 caucvgrelemcau 10908 rexico 11149 fisumss 11319 fsum2dlemstep 11361 ntrivcvgap 11475 fprodssdc 11517 fprod2dlemstep 11549 0dvds 11737 alzdvds 11777 opoe 11817 omoe 11818 opeo 11819 omeo 11820 m1exp1 11823 nn0enne 11824 nn0o1gt2 11827 gcdneg 11900 dfgcd2 11932 algcvgblem 11960 algcvga 11962 eucalglt 11968 coprmdvds 12003 divgcdcoprmex 12013 cncongr1 12014 prm2orodd 12037 prm23lt5 12172 tg2 12601 tgcl 12605 neii1 12688 neii2 12690 txlm 12820 reopnap 13079 tgioo 13087 addcncntoplem 13092 bj-elssuniab 13507 bj-nn0sucALT 13695 triap 13742 |
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