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Mirrors > Home > MPE Home > Th. List > Mathboxes > dpval3rp | Structured version Visualization version GIF version |
Description: Value of the decimal point construct. (Contributed by Thierry Arnoux, 16-Dec-2021.) |
Ref | Expression |
---|---|
dpval3rp.a | ⊢ 𝐴 ∈ ℕ0 |
dpval3rp.b | ⊢ 𝐵 ∈ ℝ+ |
Ref | Expression |
---|---|
dpval3rp | ⊢ (𝐴.𝐵) = _𝐴𝐵 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dpval3rp.a | . 2 ⊢ 𝐴 ∈ ℕ0 | |
2 | dpval3rp.b | . . 3 ⊢ 𝐵 ∈ ℝ+ | |
3 | rpre 13047 | . . 3 ⊢ (𝐵 ∈ ℝ+ → 𝐵 ∈ ℝ) | |
4 | 2, 3 | ax-mp 5 | . 2 ⊢ 𝐵 ∈ ℝ |
5 | 1, 4 | dpval3 32874 | 1 ⊢ (𝐴.𝐵) = _𝐴𝐵 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 ∈ wcel 2107 (class class class)co 7435 ℝcr 11158 ℕ0cn0 12530 ℝ+crp 13038 _cdp2 32851 .cdp 32868 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2707 ax-sep 5303 ax-nul 5313 ax-pr 5439 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1541 df-fal 1551 df-ex 1778 df-nf 1782 df-sb 2064 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2728 df-clel 2815 df-nfc 2891 df-ne 2940 df-ral 3061 df-rex 3070 df-rab 3435 df-v 3481 df-sbc 3793 df-dif 3967 df-un 3969 df-ss 3981 df-nul 4341 df-if 4533 df-sn 4633 df-pr 4635 df-op 4639 df-uni 4914 df-br 5150 df-opab 5212 df-id 5584 df-xp 5696 df-rel 5697 df-cnv 5698 df-co 5699 df-dm 5700 df-iota 6519 df-fun 6568 df-fv 6574 df-ov 7438 df-oprab 7439 df-mpo 7440 df-rp 13039 df-dp2 32852 df-dp 32869 |
This theorem is referenced by: dp0h 32882 rpdpcl 32883 dplt 32884 dpltc 32887 dpexpp1 32888 |
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