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Mirrors > Home > MPE Home > Th. List > snelpwi | Structured version Visualization version Unicode version |
Description: A singleton of a set belongs to the power class of a class containing the set. (Contributed by Alan Sare, 25-Aug-2011.) |
Ref | Expression |
---|---|
snelpwi |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | snssi 4339 | . 2 | |
2 | snex 4908 | . . 3 | |
3 | 2 | elpw 4164 | . 2 |
4 | 1, 3 | sylibr 224 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wcel 1990 wss 3574 cpw 4158 csn 4177 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-pw 4160 df-sn 4178 df-pr 4180 |
This theorem is referenced by: unipw 4918 canth2 8113 unifpw 8269 marypha1lem 8339 infpwfidom 8851 ackbij1lem4 9045 acsfn 16320 sylow2a 18034 dissnref 21331 dissnlocfin 21332 locfindis 21333 txdis 21435 txdis1cn 21438 symgtgp 21905 dispcmp 29926 esumcst 30125 cntnevol 30291 coinflippvt 30546 onsucsuccmpi 32442 topdifinffinlem 33195 pclfinN 35186 lpirlnr 37687 unipwrVD 39067 unipwr 39068 salexct 40552 salexct3 40560 salgencntex 40561 salgensscntex 40562 sge0tsms 40597 sge0cl 40598 sge0sup 40608 lincvalsng 42205 snlindsntor 42260 |
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