| 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 3705 |
. 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 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-sn 3700 |
| This theorem is referenced by: dmsnsnsng 5245 cnvsng 5253 ressn 5308 f1osng 5662 fsng 5855 fsn2g 5857 funopsn 5865 fnressn 5875 fvsng 5885 2nd1st 6387 dfmpo 6432 cnvf1olem 6433 suppsnopdc 6463 tpostpos 6508 tfrlemi1 6576 tfr1onlemaccex 6592 tfrcllemaccex 6605 elixpsn 6983 ixpsnf1o 6984 en1bg 7053 mapsnend 7065 mapsnen 7066 xpassen 7094 fztp 10437 fzsuc2 10438 fseq1p1m1 10453 fseq1m1p1 10454 zfz1isolemsplit 11238 zfz1isolem1 11240 s1val 11333 s1eq 11335 s1prc 11339 fsumm1 12130 fprodm1 12312 divalgmod 12641 ennnfonelemg 13241 ennnfonelemp1 13244 ennnfonelem1 13245 ennnfonelemnn0 13260 setsvalg 13329 strsetsid 13332 imasex 13572 imasival 13573 imasaddvallemg 13582 mulgval 13878 isunitd 14354 lspsnneg 14697 lspsnsub 14698 lmodindp1 14705 lidl0 14766 rsp0 14770 ridl0 14787 zrhrhmb 14899 znval 14913 psrval 14943 txdis 15271 upgr1een 16248 1loopgruspgr 16427 wkslem1 16444 wkslem2 16445 iswlk 16447 loopclwwlkn1b 16543 clwwlkn1loopb 16544 eupth2lem3lem3fi 16594 |
| Copyright terms: Public domain | W3C validator |