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Theorem 0pval 25570
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 25569 . . 3 0𝑝 = (ℂ × {0})
21fveq1i 6823 . 2 (0𝑝𝐴) = ((ℂ × {0})‘𝐴)
3 c0ex 11109 . . 3 0 ∈ V
43fvconst2 7140 . 2 (𝐴 ∈ ℂ → ((ℂ × {0})‘𝐴) = 0)
52, 4eqtrid 2776 1 (𝐴 ∈ ℂ → (0𝑝𝐴) = 0)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1540  wcel 2109  {csn 4577   × cxp 5617  cfv 6482  cc 11007  0cc0 11009  0𝑝c0p 25568
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-sep 5235  ax-nul 5245  ax-pr 5371  ax-1cn 11067  ax-icn 11068  ax-addcl 11069  ax-mulcl 11071  ax-i2m1 11077
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-rab 3395  df-v 3438  df-dif 3906  df-un 3908  df-ss 3920  df-nul 4285  df-if 4477  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-br 5093  df-opab 5155  df-mpt 5174  df-id 5514  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-fv 6490  df-0p 25569
This theorem is referenced by:  0plef  25571  0pledm  25572  itg1ge0  25585  mbfi1fseqlem5  25618  itg2addlem  25657  ne0p  26110  plyeq0lem  26113  plydivlem3  26201  plymul02  34520  dgraa0p  43132
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