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Mirrors > Home > ILE Home > Th. List > Mathboxes > ax-ddkcomp | Unicode version |
Description: Axiom of Dedekind completeness for Dedekind real numbers: every inhabited upper-bounded located set of reals has a real upper bound. Ideally, this axiom should be "proved" as "axddkcomp" for the real numbers constructed from IZF, and then Axiom ax-ddkcomp 14601 should be used in place of construction specific results. In particular, axcaucvg 7896 should be proved from it. (Contributed by BJ, 24-Oct-2021.) |
Ref | Expression |
---|---|
ax-ddkcomp |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA |
. . . . 5
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2 | cr 7807 |
. . . . 5
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3 | 1, 2 | wss 3129 |
. . . 4
![]() ![]() ![]() ![]() |
4 | vx |
. . . . . . 7
![]() ![]() | |
5 | 4 | cv 1352 |
. . . . . 6
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6 | 5, 1 | wcel 2148 |
. . . . 5
![]() ![]() ![]() ![]() |
7 | 6, 4 | wex 1492 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() |
8 | 3, 7 | wa 104 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
9 | vy |
. . . . . . 7
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10 | 9 | cv 1352 |
. . . . . 6
![]() ![]() |
11 | clt 7988 |
. . . . . 6
![]() ![]() | |
12 | 10, 5, 11 | wbr 4002 |
. . . . 5
![]() ![]() ![]() ![]() |
13 | 12, 9, 1 | wral 2455 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
14 | 13, 4, 2 | wrex 2456 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
15 | 5, 10, 11 | wbr 4002 |
. . . . . 6
![]() ![]() ![]() ![]() |
16 | vz |
. . . . . . . . . 10
![]() ![]() | |
17 | 16 | cv 1352 |
. . . . . . . . 9
![]() ![]() |
18 | 5, 17, 11 | wbr 4002 |
. . . . . . . 8
![]() ![]() ![]() ![]() |
19 | 18, 16, 1 | wrex 2456 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
20 | 17, 10, 11 | wbr 4002 |
. . . . . . . 8
![]() ![]() ![]() ![]() |
21 | 20, 16, 1 | wral 2455 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
22 | 19, 21 | wo 708 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
23 | 15, 22 | wi 4 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
24 | 23, 9, 2 | wral 2455 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
25 | 24, 4, 2 | wral 2455 |
. . 3
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26 | 8, 14, 25 | w3a 978 |
. 2
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27 | cle 7989 |
. . . . . 6
![]() ![]() | |
28 | 10, 5, 27 | wbr 4002 |
. . . . 5
![]() ![]() ![]() ![]() |
29 | 28, 9, 1 | wral 2455 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
30 | cB |
. . . . . . 7
![]() ![]() | |
31 | cR |
. . . . . . 7
![]() ![]() | |
32 | 30, 31 | wcel 2148 |
. . . . . 6
![]() ![]() ![]() ![]() |
33 | 10, 30, 27 | wbr 4002 |
. . . . . . 7
![]() ![]() ![]() ![]() |
34 | 33, 9, 1 | wral 2455 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
35 | 32, 34 | wa 104 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
36 | 5, 30, 27 | wbr 4002 |
. . . . 5
![]() ![]() ![]() ![]() |
37 | 35, 36 | wi 4 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
38 | 29, 37 | wa 104 |
. . 3
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39 | 38, 4, 2 | wrex 2456 |
. 2
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40 | 26, 39 | wi 4 |
1
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Colors of variables: wff set class |
This axiom is referenced by: (None) |
Copyright terms: Public domain | W3C validator |