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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 |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: mpbirand 441 3anibar 1192 3biant1d 1392 drex1 1846 elrab3t 2962 eldifvsn 3810 bnd2 4269 opbrop 4811 opelresi 5030 funcnv3 5399 fnssresb 5451 dff1o5 5601 fneqeql2 5765 fnniniseg2 5779 dffo3 5802 fmptco 5821 fnressn 5848 fconst4m 5882 riota2df 6003 eloprabga 6118 suppimacnvfn 6424 mptsuppd 6434 suppssrst 6439 suppssrgst 6440 frecabcl 6608 mptelixpg 6946 exmidfodomrlemreseldju 7471 enq0breq 7716 genpassl 7804 genpassu 7805 elnnnn0 9504 peano2z 9576 znnsub 9592 znn0sub 9606 uzin 9850 nn01to3 9912 rpnegap 9982 negelrp 9983 xsubge0 10177 divelunit 10298 elfz5 10314 uzsplit 10389 elfzonelfzo 10538 infssuzex 10556 adddivflid 10615 divfl0 10619 swrdspsleq 11314 2shfti 11471 rexuz3 11630 clim2c 11924 fisumss 12033 bitsmod 12597 bitscmp 12599 bezoutlemmain 12649 nninfctlemfo 12691 dvdsfi 12891 pc2dvds 12983 1arith 13020 xpsfrnel 13507 xpsfrnel2 13509 ghmeqker 13938 lsslss 14477 zndvds 14745 znleval2 14750 eltg3 14868 lmbrf 15026 cnrest2 15047 cnptoprest 15050 cnptoprest2 15051 ismet2 15165 elbl2ps 15203 elbl2 15204 xblpnfps 15209 xblpnf 15210 bdxmet 15312 metcn 15325 cnbl0 15345 cnblcld 15346 mulc1cncf 15400 ellimc3apf 15471 pilem1 15590 wilthlem1 15794 lgsdilem 15846 lgsne0 15857 lgsabs1 15858 lgsquadlem1 15896 lgsquadlem2 15897 isclwwlknx 16357 clwwlkn1 16359 |
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