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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 534 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3bitr4g 553 biorf 733 equsal 1147 necon3bid 1593 necon2abid 1614 eueq3 1910 sbc3ang 1969 sbcrext 1981 sbcrexgf 1983 sbcabel 1986 sbcel12g 2001 sbceqdig 2002 r19.3rzv 2338 r19.9rzv 2339 dfiun2g 2576 iununi 2606 otthg 2780 copsexg 2782 sotrieq 2852 reuuni1 2872 ordelpss 2965 ordsucun 3072 onsucuni2 3081 dfom2 3123 peano5 3143 asymref2 3424 asymref2OLD 3426 xp11a 3464 fcnvres 3633 fnopabfv 3743 fnrnfv 3744 funimass4 3748 fvreseq 3784 funimass3 3791 dff3 3803 fconst4 3836 elunirnALT 3854 eqfnoprval 4001 ordgt0ge1 4128 oelim2 4206 oaabs 4236 pw2en 4426 mapenlem2 4470 mapxpen 4475 r1pw 4658 rankonid 4667 aceq5lem4 4710 brdom6disj 4777 cardalephex 4858 indpi 5006 ltmpq 5049 distrlem5pr 5103 prlem934b 5110 suplem2pr 5134 letri3t 5490 leltnet 5494 xrleltnet 5531 halfpost 5983 zrevaddclt 6117 elnnnn0 6119 znnsubt 6124 znn0subt 6125 primet 6142 dfuz 6150 qrevaddclt 6213 om2uzf1o 6238 icounlem 6345 eluz2t 6353 indstr 6393 lt2sq 6555 le2sq 6556 cau2 6850 clm4f 7020 clmnns 7022 ser1f0 7106 znnen 7445 tgval3t 7567 opnssneib 7670 islp2 7688 cncnplem3 7715 cncnplem4 7716 sncld 7726 iscauf 7877 iscau5 7878 caun0 7880 metcld 7901 nmolb 8366 nmlno0lem 8385 phoeqi 8449 pilem3 8592 efif1lem1 8645 efif1lem2 8646 h2hcau 8788 h2hlm 8789 ocsh 9072 shle0t 9281 hoeq1t 9673 eigre 9677 nmoplbt 9748 nmfnlbt 9764 eleigvec2t 9798 nmlnop0ALT 9835 jplem2 10106 cvbr2t 10120 mdsl2b 10158 chrelat3t 10206 elghom 10289 r19.3rzvb 10337 iint 10478 algi 10504 rdmob 10525 |
| 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 |