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Theorem 0pval 25992
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 25991 . . 3 0𝑝 = (ℂ × {0})
21fveq1i 6886 . 2 (0𝑝‘𝐴) = ((ℂ × {0})‘𝐴)
3 c0ex 11300 . . 3 0 ∈ V
43fvconst2 7210 . 2 (𝐴 ∈ ℂ → ((ℂ × {0})‘𝐴) = 0)
52, 4eqtrid 2807 1 (𝐴 ∈ ℂ → (0𝑝‘𝐴) = 0)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   = wceq 1569   ∈ wcel 2144  {csn 4583   × cxp 5648  ‘cfv 6538  ℂcc 11198  0cc0 11200  0𝑝c0p 25990
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-sep 5248  ax-nul 5259  ax-pr 5390  ax-1cn 11258  ax-icn 11259  ax-addcl 11260  ax-mulcl 11262  ax-i2m1 11268
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-ss 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-br 5103  df-opab 5167  df-mpt 5186  df-id 5545  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-fv 6546  df-0p 25991
This theorem is used by:  0plef  25993  0pledm  25994  itg1ge0  26007  mbfi1fseqlem5  26040  itg2addlem  26079  ne0p  26525  plyeq0lem  26529  plymul02  26601  plydivlem3  26616  dgraa0p  44151
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