![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > biantrud | Structured version Visualization version GIF version |
Description: A wff is equivalent to its conjunction with truth. (Contributed by NM, 2-Aug-1994.) (Proof shortened by Wolf Lammen, 23-Oct-2013.) |
Ref | Expression |
---|---|
biantrud.1 | ⊢ (𝜑 → 𝜓) |
Ref | Expression |
---|---|
biantrud | ⊢ (𝜑 → (𝜒 ↔ (𝜒 ∧ 𝜓))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biantrud.1 | . 2 ⊢ (𝜑 → 𝜓) | |
2 | iba 531 | . 2 ⊢ (𝜓 → (𝜒 ↔ (𝜒 ∧ 𝜓))) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝜒 ↔ (𝜒 ∧ 𝜓))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 210 df-an 400 |
This theorem is referenced by: ifptru 1071 cad1 1618 raldifeq 4397 rexreusng 4577 posn 5601 elrnmpt1 5794 dfres3 5823 opelres 5824 fliftf 7047 eroveu 8375 ixpfi2 8806 elfi2 8862 dffi3 8879 cfss 9676 wunex2 10149 nnle1eq1 11655 nn0le0eq0 11913 ixxun 12742 ioopos 12802 injresinj 13153 hashle00 13757 prprrab 13827 xpcogend 14325 cnpart 14591 fz1f1o 15059 nndivdvds 15608 dvdsmultr2 15641 bitsmod 15775 sadadd 15806 sadass 15810 smuval2 15821 smumul 15832 pcmpt 16218 pcmpt2 16219 prmreclem2 16243 prmreclem5 16246 ramcl 16355 mrcidb2 16881 acsfn 16922 fncnvimaeqv 17362 latleeqj1 17665 resmndismnd 17965 pgpssslw 18731 subgdmdprd 19149 acsfn1p 19571 lssle0 19714 islpir2 20017 islinds3 20523 iscld4 21670 cncnpi 21883 cnprest2 21895 lmss 21903 isconn2 22019 dfconn2 22024 subislly 22086 lly1stc 22101 elptr 22178 txcn 22231 xkoinjcn 22292 tsmsres 22749 isxmet2d 22934 xmetgt0 22965 prdsxmetlem 22975 imasdsf1olem 22980 xblss2 23009 stdbdbl 23124 prdsxmslem2 23136 xrtgioo 23411 xrsxmet 23414 cnmpopc 23533 elpi1i 23651 minveclem7 24039 elovolmr 24080 ismbf 24232 mbfmax 24253 itg1val2 24288 mbfi1fseqlem4 24322 itgresr 24382 iblrelem 24394 iblpos 24396 rlimcnp 25551 rlimcnp2 25552 chpchtsum 25803 lgsneg 25905 lgsdilem 25908 2lgslem1a 25975 lmiinv 26586 isspthonpth 27538 s3wwlks2on 27742 clwlkclwwlk 27787 clwwlknonel 27880 clwwlknun 27897 eupth2lem2 28004 frgr3vlem2 28059 numclwwlk2lem1 28161 minvecolem7 28666 shle0 29225 mdsl2bi 30106 dmdbr5ati 30205 cdj3lem1 30217 eulerpartlemr 31742 subfacp1lem3 32542 satefvfmla1 32785 hfext 33757 bj-issetwt 34313 poimirlem25 35082 poimirlem26 35083 poimirlem27 35084 mblfinlem3 35096 mblfinlem4 35097 mbfresfi 35103 itg2addnclem 35108 itg2addnc 35111 heiborlem10 35258 dffunsALTV2 36077 dffunsALTV3 36078 dffunsALTV4 36079 elfunsALTV2 36086 elfunsALTV3 36087 elfunsALTV4 36088 elfunsALTV5 36089 dfdisjs2 36102 dfdisjs5 36105 eldisjs2 36116 ople0 36483 atlle0 36601 cdlemg10c 37935 cdlemg33c 38004 hdmap14lem13 39176 mrefg3 39649 radcnvrat 41018 2ffzoeq 43885 |
Copyright terms: Public domain | W3C validator |