| 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 3719 |
. 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 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-sn 3714 |
| This theorem is referenced by: dmsnsnsng 5263 cnvsng 5271 ressn 5326 f1osng 5680 fsng 5875 fsn2g 5877 funopsn 5885 fnressn 5895 fvsng 5905 2nd1st 6408 dfmpo 6453 cnvf1olem 6454 suppsnopdc 6484 tpostpos 6529 tfrlemi1 6597 tfr1onlemaccex 6613 tfrcllemaccex 6626 elixpsn 7011 ixpsnf1o 7012 en1bg 7081 mapsnend 7093 mapsnen 7094 xpassen 7122 fztp 10468 fzsuc2 10469 fseq1p1m1 10484 fseq1m1p1 10485 zfz1isolemsplit 11273 zfz1isolem1 11275 s1val 11368 s1eq 11370 s1prc 11374 fsumm1 12166 fprodm1 12348 divalgmod 12677 ennnfonelemg 13277 ennnfonelemp1 13280 ennnfonelem1 13281 ennnfonelemnn0 13296 setsvalg 13365 strsetsid 13368 imasex 13609 imasival 13610 imasaddvallemg 13619 mulgval 13908 isunitd 14396 lspsnneg 14740 lspsnsub 14741 lmodindp1 14748 lidl0 14809 rsp0 14813 ridl0 14830 zrhrhmb 14940 znval 14954 psrval 15033 txdis 15361 upgr1een 16348 1loopgruspgr 16527 wkslem1 16544 wkslem2 16545 iswlk 16547 loopclwwlkn1b 16643 clwwlkn1loopb 16644 eupth2lem3lem3fi 16694 |
| Copyright terms: Public domain | W3C validator |