Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > dpval3 | Structured version Visualization version GIF version |
Description: Value of the decimal point construct. (Contributed by Thierry Arnoux, 16-Dec-2021.) |
Ref | Expression |
---|---|
dpval2.a | ⊢ 𝐴 ∈ ℕ0 |
dpval2.b | ⊢ 𝐵 ∈ ℝ |
Ref | Expression |
---|---|
dpval3 | ⊢ (𝐴.𝐵) = _𝐴𝐵 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dpval2.a | . . 3 ⊢ 𝐴 ∈ ℕ0 | |
2 | dpval2.b | . . 3 ⊢ 𝐵 ∈ ℝ | |
3 | 1, 2 | dpval2 31298 | . 2 ⊢ (𝐴.𝐵) = (𝐴 + (𝐵 / ;10)) |
4 | df-dp2 31277 | . 2 ⊢ _𝐴𝐵 = (𝐴 + (𝐵 / ;10)) | |
5 | 3, 4 | eqtr4i 2767 | 1 ⊢ (𝐴.𝐵) = _𝐴𝐵 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1540 ∈ wcel 2105 (class class class)co 7316 ℝcr 10949 0cc0 10950 1c1 10951 + caddc 10953 / cdiv 11711 ℕ0cn0 12312 ;cdc 12516 _cdp2 31276 .cdp 31293 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2707 ax-sep 5237 ax-nul 5244 ax-pr 5366 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-ral 3062 df-rex 3071 df-rab 3404 df-v 3442 df-sbc 3726 df-dif 3899 df-un 3901 df-in 3903 df-ss 3913 df-nul 4267 df-if 4471 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4850 df-br 5087 df-opab 5149 df-id 5506 df-xp 5613 df-rel 5614 df-cnv 5615 df-co 5616 df-dm 5617 df-iota 6417 df-fun 6467 df-fv 6473 df-ov 7319 df-oprab 7320 df-mpo 7321 df-dp2 31277 df-dp 31294 |
This theorem is referenced by: dpmul100 31302 dpval3rp 31305 dp0u 31306 |
Copyright terms: Public domain | W3C validator |