Mathbox for Scott Fenton |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > distel | Structured version Visualization version Unicode version |
Description: Distinctors in terms of membership. (NOTE: this only works with relations where we can prove el 4847 and elirrv 8504.) (Contributed by Scott Fenton, 15-Dec-2010.) |
Ref | Expression |
---|---|
distel |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | el 4847 | . . 3 | |
2 | df-ex 1705 | . . . 4 | |
3 | nfnae 2318 | . . . . . 6 | |
4 | dveel1 2370 | . . . . . . . 8 | |
5 | 3, 4 | nf5d 2118 | . . . . . . 7 |
6 | 5 | nfnd 1785 | . . . . . 6 |
7 | elequ2 2004 | . . . . . . . 8 | |
8 | 7 | notbid 308 | . . . . . . 7 |
9 | 8 | a1i 11 | . . . . . 6 |
10 | 3, 6, 9 | cbvald 2277 | . . . . 5 |
11 | 10 | notbid 308 | . . . 4 |
12 | 2, 11 | syl5bb 272 | . . 3 |
13 | 1, 12 | mpbii 223 | . 2 |
14 | elirrv 8504 | . . . . 5 | |
15 | elequ1 1997 | . . . . 5 | |
16 | 14, 15 | mtbii 316 | . . . 4 |
17 | 16 | alimi 1739 | . . 3 |
18 | 17 | con3i 150 | . 2 |
19 | 13, 18 | impbii 199 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wal 1481 wex 1704 |
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-8 1992 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-pow 4843 ax-pr 4906 ax-reg 8497 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 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-ral 2917 df-rex 2918 df-v 3202 df-dif 3577 df-un 3579 df-nul 3916 df-sn 4178 df-pr 4180 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |