| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > sneqd | Unicode version | ||
| Description: Equality deduction for singletons. (Contributed by NM, 22-Jan-2004.) |
| Ref | Expression |
|---|---|
| sneqd.1 |
|
| Ref | Expression |
|---|---|
| sneqd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sneqd.1 |
. 2
| |
| 2 | sneq 3677 |
. 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-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-sn 3672 |
| This theorem is referenced by: dmsnsnsng 5206 cnvsng 5214 ressn 5269 f1osng 5614 fsng 5808 funopsn 5817 fnressn 5825 fvsng 5835 2nd1st 6326 dfmpo 6369 cnvf1olem 6370 tpostpos 6410 tfrlemi1 6478 tfr1onlemaccex 6494 tfrcllemaccex 6507 elixpsn 6882 ixpsnf1o 6883 en1bg 6952 mapsnen 6964 xpassen 6989 fztp 10274 fzsuc2 10275 fseq1p1m1 10290 fseq1m1p1 10291 zfz1isolemsplit 11060 zfz1isolem1 11062 s1val 11150 s1eq 11152 s1prc 11156 fsumm1 11927 fprodm1 12109 divalgmod 12438 ennnfonelemg 12974 ennnfonelemp1 12977 ennnfonelem1 12978 ennnfonelemnn0 12993 setsvalg 13062 strsetsid 13065 imasex 13338 imasival 13339 imasaddvallemg 13348 mulgval 13659 isunitd 14070 lspsnneg 14384 lspsnsub 14385 lmodindp1 14392 lidl0 14453 rsp0 14457 ridl0 14474 zrhrhmb 14586 znval 14600 psrval 14630 txdis 14951 wkslem1 16033 wkslem2 16034 iswlk 16036 |
| Copyright terms: Public domain | W3C validator |