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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 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 5209 cnvsng 5217 ressn 5272 f1osng 5619 fsng 5813 funopsn 5822 fnressn 5832 fvsng 5842 2nd1st 6335 dfmpo 6380 cnvf1olem 6381 tpostpos 6421 tfrlemi1 6489 tfr1onlemaccex 6505 tfrcllemaccex 6518 elixpsn 6895 ixpsnf1o 6896 en1bg 6965 mapsnen 6977 xpassen 7002 fztp 10291 fzsuc2 10292 fseq1p1m1 10307 fseq1m1p1 10308 zfz1isolemsplit 11078 zfz1isolem1 11080 s1val 11170 s1eq 11172 s1prc 11176 fsumm1 11948 fprodm1 12130 divalgmod 12459 ennnfonelemg 12995 ennnfonelemp1 12998 ennnfonelem1 12999 ennnfonelemnn0 13014 setsvalg 13083 strsetsid 13086 imasex 13359 imasival 13360 imasaddvallemg 13369 mulgval 13680 isunitd 14091 lspsnneg 14405 lspsnsub 14406 lmodindp1 14413 lidl0 14474 rsp0 14478 ridl0 14495 zrhrhmb 14607 znval 14621 psrval 14651 txdis 14972 wkslem1 16092 wkslem2 16093 iswlk 16095 loopclwwlkn1b 16187 clwwlkn1loopb 16188 |
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