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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 1847 elrab3t 2974 eldifvsn 3828 bnd2 4288 opbrop 4831 opelresi 5051 funcnv3 5420 fnssresb 5472 dff1o5 5625 fneqeql2 5789 fnniniseg2 5803 dffo3 5826 fmptco 5845 fnressn 5872 fconst4m 5906 riota2df 6027 eloprabga 6142 suppimacnvfn 6448 mptsuppd 6458 suppssrst 6463 suppssrgst 6464 frecabcl 6632 mptelixpg 6971 exmidfodomrlemreseldju 7505 enq0breq 7753 genpassl 7841 genpassu 7842 elnnnn0 9541 peano2z 9615 znnsub 9631 znn0sub 9645 uzin 9890 nn01to3 9952 rpnegap 10022 negelrp 10023 xsubge0 10217 divelunit 10338 elfz5 10354 uzsplit 10430 elfzonelfzo 10579 infssuzex 10597 adddivflid 10656 divfl0 10660 hashfibclem 11210 swrdspsleq 11363 2shfti 11520 rexuz3 11679 clim2c 11973 fisumss 12082 bitsmod 12646 bitscmp 12648 bezoutlemmain 12698 nninfctlemfo 12740 dvdsfi 12940 pc2dvds 13032 1arith 13069 xpsfrnel 13574 xpsfrnel2 13576 ghmeqker 14005 lsslss 14546 zndvds 14814 znleval2 14819 eltg3 14939 lmbrf 15097 cnrest2 15118 cnptoprest 15121 cnptoprest2 15122 ismet2 15236 elbl2ps 15274 elbl2 15275 xblpnfps 15280 xblpnf 15281 bdxmet 15383 metcn 15396 cnbl0 15416 cnblcld 15417 mulc1cncf 15471 ellimc3apf 15542 pilem1 15661 wilthlem1 15865 lgsdilem 15917 lgsne0 15928 lgsabs1 15929 lgsquadlem1 15967 lgsquadlem2 15968 isclwwlknx 16428 clwwlkn1 16430 |
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