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| Mirrors > Home > MPE Home > Th. List > 0pval | Structured version Visualization version GIF version | ||
| Description: The zero function evaluates to zero at every point. (Contributed by Mario Carneiro, 23-Jul-2014.) |
| Ref | Expression |
|---|---|
| 0pval | ⊢ (𝐴 ∈ ℂ → (0𝑝‘𝐴) = 0) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-0p 25651 | . . 3 ⊢ 0𝑝 = (ℂ × {0}) | |
| 2 | 1 | fveq1i 6837 | . 2 ⊢ (0𝑝‘𝐴) = ((ℂ × {0})‘𝐴) |
| 3 | c0ex 11133 | . . 3 ⊢ 0 ∈ V | |
| 4 | 3 | fvconst2 7154 | . 2 ⊢ (𝐴 ∈ ℂ → ((ℂ × {0})‘𝐴) = 0) |
| 5 | 2, 4 | eqtrid 2784 | 1 ⊢ (𝐴 ∈ ℂ → (0𝑝‘𝐴) = 0) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 {csn 4568 × cxp 5624 ‘cfv 6494 ℂcc 11031 0cc0 11033 0𝑝c0p 25650 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pr 5372 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-mulcl 11095 ax-i2m1 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5521 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-iota 6450 df-fun 6496 df-fn 6497 df-f 6498 df-fv 6502 df-0p 25651 |
| This theorem is referenced by: 0plef 25653 0pledm 25654 itg1ge0 25667 mbfi1fseqlem5 25700 itg2addlem 25739 ne0p 26186 plyeq0lem 26189 plydivlem3 26276 plymul02 34710 dgraa0p 43599 |
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