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| Description: A wff is equivalent to its conjunction with truth. |
| Ref | Expression |
|---|---|
| biantrur.1 |
|
| Ref | Expression |
|---|---|
| biantrur |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | biantrur.1 |
. 2
| |
| 2 | ibar 702 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
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| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: mpbiran 795 rexv 2139 reuv 2140 rabab 2141 euxfr 2271 euind 2272 ddif 2569 nssinpss 2651 nssinpssOLD 2652 nsspssun 2653 difabOLD 2690 vss 2732 elimif 2825 eualeqhb 3635 euexeqOLD 3637 euexaleq 3638 eufromeq2 3640 intirr 4123 xpcan 4159 xp11bOLD 4160 ssrnres 4165 dfco2aOLD 4206 funcnv2 4285 fvopabg 4559 eqfnfv2 4578 fnressn 4623 abrexexlem2 4646 oprabval5 4769 fo1st 4843 fo2nd 4844 df1st2 4879 df2nd2 4880 fparlem1 4892 fparlem2 4893 fparlem4 4895 frsucmpt 4974 fnmap 5199 mapvalg 5200 pmvalg 5201 elixp 5220 riotav 5376 rankeq0 5616 cdaval 5863 nnwos 7424 dfseq0 7601 absgt0i 7889 hashgval 8025 isumclimtfi 8251 infcvglem1 8277 isbasis3g 8677 opnssneib 8800 spwval2 9791 dford2 9973 filmapf 10099 shlesb1i 10784 chnlei 10833 pjneli 11095 nmop0 11339 nmfn0 11340 cvexchlem 11732 dmdbr5ati 11786 bnj22 12983 bnj53 12985 fz1eqblem 13400 gcd0id 13521 mulgcdlem2 13549 zgt1b2 13564 elpotr 13638 axfelem9 13829 sallnei 14594 neibastop2lem3 15203 neibastop2lem4 15204 compel 16097 glb0 16675 |
| 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 163 df-an 241 |