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Mirrors > Home > MPE Home > Th. List > Mathboxes > vvdifopab | Structured version Visualization version Unicode version |
Description: Ordered-pair class abstraction defined by a negation. (Contributed by Peter Mazsa, 25-Jun-2019.) |
Ref | Expression |
---|---|
vvdifopab |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | opabid 4982 | . . . . 5 | |
2 | 1 | notbii 310 | . . . 4 |
3 | opelvvdif 34023 | . . . . 5 | |
4 | 3 | el2v 33984 | . . . 4 |
5 | opabid 4982 | . . . 4 | |
6 | 2, 4, 5 | 3bitr4i 292 | . . 3 |
7 | 6 | gen2 1723 | . 2 |
8 | relxp 5227 | . . . 4 | |
9 | reldif 5238 | . . . 4 | |
10 | 8, 9 | ax-mp 5 | . . 3 |
11 | relopab 5247 | . . 3 | |
12 | nfcv 2764 | . . . . 5 | |
13 | nfopab1 4719 | . . . . 5 | |
14 | 12, 13 | nfdif 3731 | . . . 4 |
15 | nfopab1 4719 | . . . 4 | |
16 | nfcv 2764 | . . . . 5 | |
17 | nfopab2 4720 | . . . . 5 | |
18 | 16, 17 | nfdif 3731 | . . . 4 |
19 | nfopab2 4720 | . . . 4 | |
20 | 14, 15, 18, 19 | eqrelf 34020 | . . 3 |
21 | 10, 11, 20 | mp2an 708 | . 2 |
22 | 7, 21 | mpbir 221 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wb 196 wal 1481 wceq 1483 wcel 1990 cvv 3200 cdif 3571 cop 4183 copab 4712 cxp 5112 wrel 5119 |
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-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-opab 4713 df-xp 5120 df-rel 5121 |
This theorem is referenced by: (None) |
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