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Mathbox for Thierry Arnoux |
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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 13065 | . . 3 ⊢ (𝐵 ∈ ℝ+ → 𝐵 ∈ ℝ) | |
4 | 2, 3 | ax-mp 5 | . 2 ⊢ 𝐵 ∈ ℝ |
5 | 1, 4 | dpval3 32858 | 1 ⊢ (𝐴.𝐵) = _𝐴𝐵 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ∈ wcel 2108 (class class class)co 7448 ℝcr 11183 ℕ0cn0 12553 ℝ+crp 13057 _cdp2 32835 .cdp 32852 |
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 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-sep 5317 ax-nul 5324 ax-pr 5447 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-ral 3068 df-rex 3077 df-rab 3444 df-v 3490 df-sbc 3805 df-dif 3979 df-un 3981 df-ss 3993 df-nul 4353 df-if 4549 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-br 5167 df-opab 5229 df-id 5593 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-iota 6525 df-fun 6575 df-fv 6581 df-ov 7451 df-oprab 7452 df-mpo 7453 df-rp 13058 df-dp2 32836 df-dp 32853 |
This theorem is referenced by: dp0h 32866 rpdpcl 32867 dplt 32868 dpltc 32871 dpexpp1 32872 |
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