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| 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 3699 |
. 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 2214 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-sn 3694 |
| This theorem is referenced by: dmsnsnsng 5239 cnvsng 5247 ressn 5302 f1osng 5656 fsng 5849 fsn2g 5851 funopsn 5859 fnressn 5869 fvsng 5879 2nd1st 6373 dfmpo 6418 cnvf1olem 6419 suppsnopdc 6449 tpostpos 6494 tfrlemi1 6562 tfr1onlemaccex 6578 tfrcllemaccex 6591 elixpsn 6969 ixpsnf1o 6970 en1bg 7039 mapsnend 7051 mapsnen 7052 xpassen 7080 fztp 10408 fzsuc2 10409 fseq1p1m1 10424 fseq1m1p1 10425 zfz1isolemsplit 11203 zfz1isolem1 11205 s1val 11298 s1eq 11300 s1prc 11304 fsumm1 12095 fprodm1 12277 divalgmod 12606 ennnfonelemg 13143 ennnfonelemp1 13146 ennnfonelem1 13147 ennnfonelemnn0 13162 setsvalg 13231 strsetsid 13234 imasex 13507 imasival 13508 imasaddvallemg 13517 mulgval 13828 isunitd 14240 lspsnneg 14555 lspsnsub 14556 lmodindp1 14563 lidl0 14624 rsp0 14628 ridl0 14645 zrhrhmb 14757 znval 14771 psrval 14801 txdis 15129 upgr1een 16106 1loopgruspgr 16285 wkslem1 16302 wkslem2 16303 iswlk 16305 loopclwwlkn1b 16401 clwwlkn1loopb 16402 eupth2lem3lem3fi 16452 |
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