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Mirrors > Home > HSE Home > Th. List > cvbr | Structured version Visualization version Unicode version |
Description: Binary relation expressing covers , which means that is larger than and there is nothing in between. Definition 3.2.18 of [PtakPulmannova] p. 68. (Contributed by NM, 4-Jun-2004.) (New usage is discouraged.) |
Ref | Expression |
---|---|
cvbr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eleq1 2689 | . . . . 5 | |
2 | 1 | anbi1d 741 | . . . 4 |
3 | psseq1 3694 | . . . . 5 | |
4 | psseq1 3694 | . . . . . . . 8 | |
5 | 4 | anbi1d 741 | . . . . . . 7 |
6 | 5 | rexbidv 3052 | . . . . . 6 |
7 | 6 | notbid 308 | . . . . 5 |
8 | 3, 7 | anbi12d 747 | . . . 4 |
9 | 2, 8 | anbi12d 747 | . . 3 |
10 | eleq1 2689 | . . . . 5 | |
11 | 10 | anbi2d 740 | . . . 4 |
12 | psseq2 3695 | . . . . 5 | |
13 | psseq2 3695 | . . . . . . . 8 | |
14 | 13 | anbi2d 740 | . . . . . . 7 |
15 | 14 | rexbidv 3052 | . . . . . 6 |
16 | 15 | notbid 308 | . . . . 5 |
17 | 12, 16 | anbi12d 747 | . . . 4 |
18 | 11, 17 | anbi12d 747 | . . 3 |
19 | df-cv 29138 | . . 3 | |
20 | 9, 18, 19 | brabg 4994 | . 2 |
21 | 20 | bianabs 924 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wa 384 wceq 1483 wcel 1990 wrex 2913 wpss 3575 class class class wbr 4653 cch 27786 ccv 27821 |
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-ne 2795 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 df-opab 4713 df-cv 29138 |
This theorem is referenced by: cvbr2 29142 cvcon3 29143 cvpss 29144 cvnbtwn 29145 |
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