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| Description: A syllogism inference from two biconditionals. |
| Ref | Expression |
|---|---|
| syl6bbr.1 |
|
| syl6bbr.2 |
|
| Ref | Expression |
|---|---|
| syl6bbr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl6bbr.1 |
. 2
| |
| 2 | syl6bbr.2 |
. . 3
| |
| 3 | 2 | bicomi 172 |
. 2
|
| 4 | 1, 3 | syl6bb 536 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3bitr4g 555 biorf 735 equsal 1151 necon3bid 1601 necon2abid 1622 eueq3 1919 sbc3ang 1979 sbcrext 1991 sbcrexgf 1993 sbcabel 1996 sbcel12g 2011 sbceqdig 2012 r19.3rzv 2348 r19.9rzv 2349 dfiun2g 2586 iununi 2616 otthg 2790 copsexg 2792 sotrieq 2861 reuuni1 2882 ordelpss 2975 ordsucun 3082 onsucuni2 3091 dfom2 3133 peano5 3153 asymref2 3440 xp11a 3477 xp11b 3478 fcnvres 3648 fnopabfv 3758 fnrnfv 3759 funimass4 3763 fvreseq 3799 funimass3 3806 dff3 3818 fconst4 3851 elunirnALT 3869 eqfnoprval 4016 ordgt0ge1 4144 oelim2 4222 oaabs 4252 pw2en 4446 mapenlem2 4490 mapxpen 4495 r1pw 4686 rankonid 4695 aceq5lem4 4738 brdom6disj 4805 cardalephex 4886 indpi 5034 ltmpq 5077 distrlem5pr 5131 prlem934b 5138 suplem2pr 5162 letri3t 5517 leltnet 5521 xrleltnet 5558 halfpost 6036 zrevaddclt 6170 elnnnn0 6172 znnsubt 6177 znn0subt 6178 primet 6195 dfuz 6202 qrevaddclt 6275 om2uzf1o 6301 icounlem 6412 eluz2t 6421 indstr 6461 lt2sq 6624 le2sq 6625 cau2 6913 clm4f 7082 clmnns 7084 clmfnn 7093 ser1f0 7170 tgval3t 7625 opnssneib 7729 islp2 7747 cldlp 7750 cncnplem3 7776 cncnplem4 7777 sncld 7787 metne0 7821 iscauf 7939 iscau5 7941 iscaunns 7944 caun0 7945 metcld 7967 nmolb 8434 nmlno0lem 8453 phoeqi 8518 pilem3 8673 efif1lem1 8730 efif1lem2 8731 h2hcau 8849 h2hlm 8850 ocsh 9156 shle0t 9366 hoeq1t 9756 eigre 9760 nmoplbt 9831 nmfnlbt 9848 eleigvec2t 9882 nmlnop0ALT 9920 jplem2 10196 cvbr2t 10210 mdsl2b 10250 chrelat3t 10298 elghom 10384 r19.3rzvb 10437 unpde2eg2 10544 iint 10634 algi 10660 rdmob 10681 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 147 df-an 225 |