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

Theorem 0pval 24274
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 24273 . . 3 0𝑝 = (ℂ × {0})
21fveq1i 6673 . 2 (0𝑝𝐴) = ((ℂ × {0})‘𝐴)
3 c0ex 10637 . . 3 0 ∈ V
43fvconst2 6968 . 2 (𝐴 ∈ ℂ → ((ℂ × {0})‘𝐴) = 0)
52, 4syl5eq 2870 1 (𝐴 ∈ ℂ → (0𝑝𝐴) = 0)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1537  wcel 2114  {csn 4569   × cxp 5555  cfv 6357  cc 10537  0cc0 10539  0𝑝c0p 24272
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 2795  ax-sep 5205  ax-nul 5212  ax-pr 5332  ax-1cn 10597  ax-icn 10598  ax-addcl 10599  ax-mulcl 10601  ax-i2m1 10607
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 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-ne 3019  df-ral 3145  df-rex 3146  df-rab 3149  df-v 3498  df-sbc 3775  df-dif 3941  df-un 3943  df-in 3945  df-ss 3954  df-nul 4294  df-if 4470  df-sn 4570  df-pr 4572  df-op 4576  df-uni 4841  df-br 5069  df-opab 5131  df-mpt 5149  df-id 5462  df-xp 5563  df-rel 5564  df-cnv 5565  df-co 5566  df-dm 5567  df-rn 5568  df-iota 6316  df-fun 6359  df-fn 6360  df-f 6361  df-fv 6365  df-0p 24273
This theorem is referenced by:  0plef  24275  0pledm  24276  itg1ge0  24289  mbfi1fseqlem5  24322  itg2addlem  24361  ne0p  24799  plyeq0lem  24802  plydivlem3  24886  plymul02  31818  dgraa0p  39756
  Copyright terms: Public domain W3C validator