Users' Mathboxes Mathbox for Thierry Arnoux < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  dpval3rp Structured version   Visualization version   GIF version

Theorem dpval3rp 30848
Description: Value of the decimal point construct. (Contributed by Thierry Arnoux, 16-Dec-2021.)
Hypotheses
Ref Expression
dpval3rp.a 𝐴 ∈ ℕ0
dpval3rp.b 𝐵 ∈ ℝ+
Assertion
Ref Expression
dpval3rp (𝐴.𝐵) = 𝐴𝐵

Proof of Theorem dpval3rp
StepHypRef Expression
1 dpval3rp.a . 2 𝐴 ∈ ℕ0
2 dpval3rp.b . . 3 𝐵 ∈ ℝ+
3 rpre 12559 . . 3 (𝐵 ∈ ℝ+𝐵 ∈ ℝ)
42, 3ax-mp 5 . 2 𝐵 ∈ ℝ
51, 4dpval3 30842 1 (𝐴.𝐵) = 𝐴𝐵
Colors of variables: wff setvar class
Syntax hints:   = wceq 1543  wcel 2112  (class class class)co 7191  cr 10693  0cn0 12055  +crp 12551  cdp2 30819  .cdp 30836
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1803  ax-4 1817  ax-5 1918  ax-6 1976  ax-7 2018  ax-8 2114  ax-9 2122  ax-10 2143  ax-11 2160  ax-12 2177  ax-ext 2708  ax-sep 5177  ax-nul 5184  ax-pr 5307
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 848  df-3an 1091  df-tru 1546  df-fal 1556  df-ex 1788  df-nf 1792  df-sb 2073  df-mo 2539  df-eu 2568  df-clab 2715  df-cleq 2728  df-clel 2809  df-nfc 2879  df-ral 3056  df-rex 3057  df-rab 3060  df-v 3400  df-sbc 3684  df-dif 3856  df-un 3858  df-in 3860  df-ss 3870  df-nul 4224  df-if 4426  df-sn 4528  df-pr 4530  df-op 4534  df-uni 4806  df-br 5040  df-opab 5102  df-id 5440  df-xp 5542  df-rel 5543  df-cnv 5544  df-co 5545  df-dm 5546  df-iota 6316  df-fun 6360  df-fv 6366  df-ov 7194  df-oprab 7195  df-mpo 7196  df-rp 12552  df-dp2 30820  df-dp 30837
This theorem is referenced by:  dp0h  30850  rpdpcl  30851  dplt  30852  dpltc  30855  dpexpp1  30856
  Copyright terms: Public domain W3C validator