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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 189 |
. 2
|
| 4 | 1, 3 | syl6bb 595 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3bitr4g 614 biorf 807 equsal 1511 equsalOLD 1512 necon3bidOLD 2036 necon2abid 2065 eueq3 2430 sbc3angOLD 2509 sbcrext 2528 sbcrexgf 2530 sbcabel 2535 sbcel12g 2552 sbcel12gOLD 2553 sbceqdig 2554 sbceqdigOLD 2555 n0moeu 2887 reldisj 2916 r19.3rz 2960 r19.3rzv 2962 r19.9rzv 2963 dfiun2gOLD 3284 iununi 3331 iununiOLD 3332 otthg 3535 copsexgOLD 3538 sotrieqOLD 3617 ordelpss 3686 reuuni1OLD 3809 ordsucun 3905 onsucuni2OLD 3915 dflim3 3930 dfom2 3951 peano5 3975 iss 4254 elimasni 4292 eliniseg 4294 asymref2OLD 4311 xpcan 4348 xp11bOLD 4349 xpcan2 4350 xp11aOLD 4351 fcnvres 4589 dffn5 4717 fnrnfv 4718 funimass4 4722 eqfnfv2 4767 funimass3 4779 dff4 4791 fconst4 4827 elunirnALT 4845 eqfnoprv 4945 ordgt0ge1 5189 oelim2 5270 oaabs 5309 pw2en 5505 mapxpen 5589 r1pw 5797 rankonid 5806 sbc3org 5827 trsbc 5843 omsubsuc2 5878 aceq5lem4 5900 brdom6disj 5967 cardalephex 6034 indpi 6186 ltmpq 6229 distrlem5pr 6283 prlem934b 6290 suplem2pr 6314 letri3 6687 leltne 6691 ssxr 6714 xrleltne 6733 halfpos 7222 rpneg 7252 zrevaddcl 7379 elnnnn0 7381 znnsub 7386 znn0sub 7387 prime 7407 dfuzi 7414 qrevaddcl 7455 icounlem 7581 eluz2 7590 indstr 7630 fzsn 7684 fzpr 7685 om2uzf1oi 7712 lt2sqi 7869 le2sqi 7870 cau2i 8165 clm4fi 8342 clmnnsi 8344 clmfnn 8353 tgval3 8895 opnssneib 9005 islp2 9023 cldlp 9026 cncnplem3 9053 cncnplem4 9054 sncld 9064 metn0 9098 iscauf 9217 iscau5 9219 iscaunns 9222 caun0 9223 metcld 9245 nmolb 9773 nmlno0lem 9793 pilem3 10022 efif1lem1 10084 efif1lem2 10085 elghom 10195 hausfillim 10303 h2hcau 10481 h2hlm 10482 ocsh 10789 shle0 10999 eigrei 11397 nmoplb 11468 nmfnlb 11485 eleigvec2 11519 nmlnop0iALT 11557 jplem2 11841 cvbr2 11855 mdsl2bi 11895 chrelat3 11943 bnj112 12457 bnj117 12461 bnj921 12828 bnj919 12829 bnj971 12860 bnj123 13233 bnj218 13250 bnj578 13291 bnj607 13304 bnj873 13317 bnj1171 13439 bnj1283 13476 bnj1390 13513 elfzm11 13604 fz1eqblem 13608 algcvgblem 13745 dvdsgcd 13765 isprm2lem 13774 isprm3 13776 fundmpss 13836 dfon2 13858 tfrALTlem 13976 axfelem15 14045 r19.3rzvb 14273 unpde2eg2 14406 iint 15012 letri31 15019 algi 15074 rdmob 15095 btmp 15252 isplibg 15319 ccid 15363 elfiun 15369 inficlALT 15372 omsubsuc2OLD 15387 hscptsscld 15434 alexsub 15441 limfilcf 15587 fcluscf 15612 flimfnfcls 15615 inpreima 15682 inficl 15757 iccsplit 15854 heiborlem1 15955 divrngidl 16176 isdmn2 16203 prter1 16282 prtex 16284 prter3 16286 sbcnel12g 16408 sbcne12g 16409 pleval2 16785 hlrelat5 17050 isdivrngNEW 17160 paddvaln0 17262 paddval0 17271 |
| 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 164 df-an 242 |