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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 25625 | . . 3 ⊢ 0𝑝 = (ℂ × {0}) | |
| 2 | 1 | fveq1i 6833 | . 2 ⊢ (0𝑝‘𝐴) = ((ℂ × {0})‘𝐴) |
| 3 | c0ex 11124 | . . 3 ⊢ 0 ∈ V | |
| 4 | 3 | fvconst2 7148 | . 2 ⊢ (𝐴 ∈ ℂ → ((ℂ × {0})‘𝐴) = 0) |
| 5 | 2, 4 | eqtrid 2781 | 1 ⊢ (𝐴 ∈ ℂ → (0𝑝‘𝐴) = 0) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 {csn 4578 × cxp 5620 ‘cfv 6490 ℂcc 11022 0cc0 11024 0𝑝c0p 25624 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pr 5375 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-mulcl 11086 ax-i2m1 11092 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-fv 6498 df-0p 25625 |
| This theorem is referenced by: 0plef 25627 0pledm 25628 itg1ge0 25641 mbfi1fseqlem5 25674 itg2addlem 25713 ne0p 26166 plyeq0lem 26169 plydivlem3 26257 plymul02 34652 dgraa0p 43333 |
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