MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  0pval Structured version   Visualization version   GIF version

Theorem 0pval 26019
Description: The zero function evaluates to zero at every point. (Contributed by Mario Carneiro, 23-Jul-2014.)
Assertion
Ref Expression
0pval (𝐴 ∈ ℂ → (0𝑝‘𝐴) = 0)

Proof of Theorem 0pval
StepHypRef Expression
1 df-0p 26018 . . 3 0𝑝 = (ℂ × {0})
21fveq1i 6906 . 2 (0𝑝‘𝐴) = ((ℂ × {0})‘𝐴)
3 c0ex 11324 . . 3 0 ∈ V
43fvconst2 7230 . 2 (𝐴 ∈ ℂ → ((ℂ × {0})‘𝐴) = 0)
52, 4eqtrid 2810 1 (𝐴 ∈ ℂ → (0𝑝‘𝐴) = 0)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   = wceq 1570   ∈ wcel 2147  {csn 4588   × cxp 5653  ‘cfv 6555  ℂcc 11222  0cc0 11224  0𝑝c0p 26017
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735  ax-sep 5252  ax-nul 5263  ax-pr 5395  ax-1cn 11282  ax-icn 11283  ax-addcl 11284  ax-mulcl 11286  ax-i2m1 11292
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-ral 3081  df-rex 3091  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4839  df-uni 4871  df-br 5107  df-opab 5171  df-mpt 5190  df-id 5550  df-xp 5661  df-rel 5662  df-cnv 5663  df-co 5664  df-dm 5665  df-rn 5666  df-iota 6509  df-fun 6557  df-fn 6558  df-f 6559  df-fv 6563  df-0p 26018
This theorem is used by:  0plef  26020  0pledm  26021  itg1ge0  26034  mbfi1fseqlem5  26067  itg2addlem  26106  ne0p  26552  plyeq0lem  26556  plymul02  26628  plydivlem3  26643  dgraa0p  44341
  Copyright terms: Public domain W3C validator