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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 3681 |
. 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 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-11 1554 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2212 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1810 df-clab 2217 df-cleq 2223 df-sn 3676 |
| This theorem is referenced by: dmsnsnsng 5216 cnvsng 5224 ressn 5279 f1osng 5629 fsng 5823 fsn2g 5825 funopsn 5833 fnressn 5843 fvsng 5853 2nd1st 6348 dfmpo 6393 cnvf1olem 6394 tpostpos 6435 tfrlemi1 6503 tfr1onlemaccex 6519 tfrcllemaccex 6532 elixpsn 6909 ixpsnf1o 6910 en1bg 6979 mapsnen 6991 xpassen 7019 fztp 10318 fzsuc2 10319 fseq1p1m1 10334 fseq1m1p1 10335 zfz1isolemsplit 11108 zfz1isolem1 11110 s1val 11203 s1eq 11205 s1prc 11209 fsumm1 12000 fprodm1 12182 divalgmod 12511 ennnfonelemg 13047 ennnfonelemp1 13050 ennnfonelem1 13051 ennnfonelemnn0 13066 setsvalg 13135 strsetsid 13138 imasex 13411 imasival 13412 imasaddvallemg 13421 mulgval 13732 isunitd 14144 lspsnneg 14458 lspsnsub 14459 lmodindp1 14466 lidl0 14527 rsp0 14531 ridl0 14548 zrhrhmb 14660 znval 14674 psrval 14704 txdis 15030 upgr1een 16004 1loopgruspgr 16183 wkslem1 16200 wkslem2 16201 iswlk 16203 loopclwwlkn1b 16299 clwwlkn1loopb 16300 eupth2lem3lem3fi 16350 |
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