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

Theorem 0pval 24272
Description: The zero function evaluates to zero at every point. (Contributed by Mario Carneiro, 23-Jul-2014.)
Assertion
Ref Expression
0pval (𝐴 ∈ ℂ → (0𝑝𝐴) = 0)

Proof of Theorem 0pval
StepHypRef Expression
1 df-0p 24271 . . 3 0𝑝 = (ℂ × {0})
21fveq1i 6671 . 2 (0𝑝𝐴) = ((ℂ × {0})‘𝐴)
3 c0ex 10635 . . 3 0 ∈ V
43fvconst2 6966 . 2 (𝐴 ∈ ℂ → ((ℂ × {0})‘𝐴) = 0)
52, 4syl5eq 2868 1 (𝐴 ∈ ℂ → (0𝑝𝐴) = 0)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1537  wcel 2114  {csn 4567   × cxp 5553  cfv 6355  cc 10535  0cc0 10537  0𝑝c0p 24270
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 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2793  ax-sep 5203  ax-nul 5210  ax-pr 5330  ax-1cn 10595  ax-icn 10596  ax-addcl 10597  ax-mulcl 10599  ax-i2m1 10605
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-ral 3143  df-rex 3144  df-rab 3147  df-v 3496  df-sbc 3773  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-nul 4292  df-if 4468  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4839  df-br 5067  df-opab 5129  df-mpt 5147  df-id 5460  df-xp 5561  df-rel 5562  df-cnv 5563  df-co 5564  df-dm 5565  df-rn 5566  df-iota 6314  df-fun 6357  df-fn 6358  df-f 6359  df-fv 6363  df-0p 24271
This theorem is referenced by:  0plef  24273  0pledm  24274  itg1ge0  24287  mbfi1fseqlem5  24320  itg2addlem  24359  ne0p  24797  plyeq0lem  24800  plydivlem3  24884  plymul02  31816  dgraa0p  39769
  Copyright terms: Public domain W3C validator