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| Description: A syllogism inference from two biconditionals. |
| Ref | Expression |
|---|---|
| syl5bbr.1 |
|
| syl5bbr.2 |
|
| Ref | Expression |
|---|---|
| syl5bbr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl5bbr.1 |
. 2
| |
| 2 | syl5bbr.2 |
. . 3
| |
| 3 | 2 | bicomi 189 |
. 2
|
| 4 | 1, 3 | syl5bb 591 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3bitr3g 613 19.16 1395 19.19 1402 sbco2 1629 necon1bbid 2062 necon4abid 2077 elabgt 2400 elabf 2402 cbvab 2419 sbceq1a 2456 opelopabsbOLD 3565 dffr2 3627 iunpw 3858 ordunisuc2 3926 tfinds 3942 tfindsOLD 3943 dfom2 3951 opelxpex2 4119 xp11 4347 fneuOLD 4518 fnssresb 4525 dmfco 4735 fvco 4736 dffo4 4793 elunirn 4844 dfoprab4s 5056 1stconst 5070 2ndconst 5071 oaabs 5309 brecop 5365 zorn2lem7 5956 card1 5983 alephval2 6050 ltpiord 6167 map2psrpr 6372 suppsr 6374 supsrlem6 6382 supre 6412 mul0ori 6882 lt2msqi 7064 infm3 7263 infmsup 7277 supxrbnd1 7304 supxrbnd2 7305 uzindOLD 7420 iccneg 7576 eluz 7595 sqr00 7964 geoisum1c 8507 reeff1o 8691 absefib 8750 efieq1re 8751 bcthlem9 9285 sincosq3sgn 10055 sincosq4sgn 10056 efifolem6 10081 pjthlem11 10862 ch0pss 11002 jplem1 11840 hatomistici 11934 mdsymlem5 11979 cdjreui 12004 bnj100 12449 bnj99 12450 bnj137 12469 ghomf1olem 13637 divalglem4 13699 divalgmod 13709 isprm3 13776 brtxp 14067 dfoprab4spop 14339 elo 14342 bwt2 14960 lvsovso2 15039 supnuf 15041 supexr 15043 alexsub 15441 resoprab2 15710 sdc 15811 fdc 15812 fsumltisum 15824 fsumleisum 15827 pcoval 16073 0nelqs2 16269 prter3 16286 hgrablkcard 16296 fveqsb 16431 strdif 16719 glb0 16920 |
| 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 |