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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 25644 | . . 3 ⊢ 0𝑝 = (ℂ × {0}) | |
| 2 | 1 | fveq1i 6845 | . 2 ⊢ (0𝑝‘𝐴) = ((ℂ × {0})‘𝐴) |
| 3 | c0ex 11140 | . . 3 ⊢ 0 ∈ V | |
| 4 | 3 | fvconst2 7162 | . 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 4582 × cxp 5632 ‘cfv 6502 ℂcc 11038 0cc0 11040 0𝑝c0p 25643 |
| 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 5245 ax-nul 5255 ax-pr 5381 ax-1cn 11098 ax-icn 11099 ax-addcl 11100 ax-mulcl 11102 ax-i2m1 11108 |
| 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 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5529 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-fv 6510 df-0p 25644 |
| This theorem is referenced by: 0plef 25646 0pledm 25647 itg1ge0 25660 mbfi1fseqlem5 25693 itg2addlem 25732 ne0p 26185 plyeq0lem 26188 plydivlem3 26276 plymul02 34730 dgraa0p 43535 |
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