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| Mirrors > Home > ILE Home > Th. List > biantrurd | Unicode version | ||
| Description: A wff is equivalent to its conjunction with truth. (Contributed by NM, 1-May-1995.) (Proof shortened by Andrew Salmon, 7-May-2011.) |
| Ref | Expression |
|---|---|
| biantrud.1 |
|
| Ref | Expression |
|---|---|
| biantrurd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | biantrud.1 |
. 2
| |
| 2 | ibar 301 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: mpbirand 445 3anibar 1196 3biant1d 1396 drex1 1851 elrab3t 2981 eldifvsn 3847 bnd2 4312 opbrop 4856 opelresi 5076 funcnv3 5446 fnssresb 5498 dff1o5 5651 fneqeql2 5821 fnniniseg2 5835 dffo3 5858 fmptco 5877 fnressn 5904 fconst4m 5938 riota2df 6063 eloprabga 6178 suppimacnvfn 6490 mptsuppd 6500 suppssrst 6505 suppssrgst 6506 frecabcl 6675 mptelixpg 7022 relresfin 7270 exmidfodomrlemreseldju 7558 enq0breq 7809 genpassl 7897 genpassu 7898 elnnnn0 9617 peano2z 9689 znnsub 9705 znn0sub 9719 uzin 9970 nn01to3 10032 rpnegap 10103 negelrp 10104 xsubge0 10299 divelunit 10420 elfz5 10436 uzsplit 10515 elfzonelfzo 10664 infssuzex 10682 adddivflid 10747 divfl0 10751 hashfibclem 11303 hashf1lem1 11306 swrdspsleq 11460 2shfti 11617 rexuz3 11777 clim2c 12074 fisumss 12183 bitsmod 12747 bitscmp 12749 bezoutlemmain 12799 nninfctlemfo 12841 dvdsfi 13045 pc2dvds 13137 1arith 13174 xpsfrnel 13723 xpsfrnel2 13725 ghmeqker 14132 lsslss 14826 zndvds 15092 znleval2 15097 eltg3 15300 lmbrf 15458 cnrest2 15479 cnptoprest 15482 cnptoprest2 15483 ismet2 15597 elbl2ps 15635 elbl2 15636 xblpnfps 15641 xblpnf 15642 bdxmet 15744 metcn 15757 cnbl0 15777 cnblcld 15778 mulc1cncf 15832 ellimc3apf 15903 pilem1 16023 wilthlem1 16249 bposlem1 16328 lgsdilem 16368 lgsne0 16379 lgsabs1 16380 lgsquadlem1 16418 lgsquadlem2 16419 isclwwlknx 16879 clwwlkn1 16881 |
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