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| Description: A syllogism inference from two biconditionals. |
| Ref | Expression |
|---|---|
| syl5bb.1 |
|
| syl5bb.2 |
|
| Ref | Expression |
|---|---|
| syl5bb |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl5bb.2 |
. . 3
| |
| 2 | 1 | a1i 8 |
. 2
|
| 3 | syl5bb.1 |
. 2
| |
| 4 | 2, 3 | bitrd 526 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: syl5rbb 531 syl5bbr 532 3bitr4g 553 oplem1 770 19.23t 1112 sbcom 1253 necon3abid 1591 necon1abid 1610 r19.21t 1707 ceqsrexv 1880 ceqsrex2v 1881 elab2g 1891 elrabf 1895 eueq2 1909 reu8 1926 ru 1928 sbccomglem 1978 rabbirdv 2211 disjpss 2309 undif4 2315 opthpr 2476 dfiun2g 2576 elpwuni 2751 copsex4g 2784 opelopabg 2806 brabg 2807 dfid3 2826 oneqmini 3007 elsucg 3026 elsuc2g 3027 ordpwsuc 3056 dfom2 3123 opbrop 3228 opelcnvg 3285 dmsnop 3317 iss 3381 imasng 3408 cores 3485 cnvpo 3508 fncnv 3547 fununi 3549 fnssresb 3585 fnopabfv 3743 funimass4 3748 fnsnfv 3752 dmfco 3758 fvco 3759 fvopabn 3771 fvopab5 3778 elrnopabg 3785 fvimacnvi 3789 fvimacnvALT 3794 fressnfv 3823 funiunfv 3851 elunirnALT 3854 f1fv 3859 isoini 3885 f1oiso 3889 f1oweALT 3891 tfrlem1 3896 rdglim2 3934 eloprabg 3992 oprabval 4008 ndmoprgOLD 4029 2ndconst 4081 dfoprab5 4099 elrnoprabg 4108 brecop 4290 mapsn 4329 ixp0 4345 xpsnen 4415 xpdom2 4422 pw2en 4426 mapxpen 4475 abfii4 4538 fodomfib 4541 noinfep 4612 rankbnd2 4676 aceq3lem 4704 zorn2 4768 fodomb 4772 brdom7disj 4776 brdom6disj 4777 domtri 4810 cardsdomel 4824 iscard2 4826 alephnbtwn 4840 nlt1pi 5005 ltsopq 5047 genpv 5074 ltsosr 5175 suppsrlem 5193 suppsr 5194 supsrlem6 5202 suprelem 5231 supre 5232 axrrecex 5256 renegcl 5388 ltxrt 5467 ltxrltt 5472 xrlenltt 5473 ssxr 5513 divdivdivt 5741 conjmult 5753 lerec 5828 lt2msq 5829 nn1suc 5887 infm3 6001 infmsup 6015 elznn0 6096 elnn0nn 6118 zltp1let 6128 primet 6142 dfuz 6150 rebtwnz 6170 ioo0t 6305 elioo3g 6317 snunioolem 6347 elfz2t 6404 fzshftralt 6454 sq11 6557 dffsum 6936 caucvg3t 7104 cvgcmp3cetlem1 7124 cvgcmp3cetlem2 7125 ivthlem7 7222 ivthlem7OLD 7231 tpsex 7547 istps 7548 bastop2 7585 islp2 7688 iscn 7698 iscnp 7700 ismsg 7739 metxp 7774 cncfmet 7844 bl2ioo 7850 iscau 7874 lmclim 7898 isring 8078 isvcgOLD 8133 isvclem 8134 isnvlem 8167 isnvgOLD 8168 isphg 8407 isph 8412 phoeqi 8449 spwval 8582 shftefif1olem 8661 shftefif1olemOLD 8662 hhph 8966 sh2 9012 chocuni 9088 projlem15 9116 pjtheu2 9165 adjeqt 9775 elunop2t 9853 lnophmt 9859 cnlnadjeu 9925 adjbd1o 9933 jp 10107 mddmd 10144 chrelat 10199 chrelat2 10200 cvexchlem 10203 dmdbr5at 10255 cdjreu 10264 cdj3 10273 ficli 10368 cnvhmph 10414 homcard 10426 fgsb 10444 fgsb2 10449 cnfilca 10451 ismgra 10486 isalg 10497 isded 10513 iscat 10531 ishgrag 10605 ispgrag 10615 |
| 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 |