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| Mirrors > Home > MPE Home > Th. List > fveere | Structured version Visualization version GIF version | ||
| Description: The function value of a point is a real. (Contributed by Scott Fenton, 10-Jun-2013.) |
| Ref | Expression |
|---|---|
| fveere | ⊢ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐼 ∈ (1...𝑁)) → (𝐴‘𝐼) ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleei 29184 | . 2 ⊢ (𝐴 ∈ (𝔼‘𝑁) → 𝐴:(1...𝑁)⟶ℝ) | |
| 2 | 1 | ffvelcdmda 7077 | 1 ⊢ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐼 ∈ (1...𝑁)) → (𝐴‘𝐼) ∈ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2149 ‘cfv 6534 (class class class)co 7408 ℝcr 11095 1c1 11097 ...cfz 13531 𝔼cee 29174 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-cnex 11152 ax-resscn 11153 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6490 df-fun 6536 df-fn 6537 df-f 6538 df-fv 6542 df-ov 7411 df-oprab 7412 df-mpo 7413 df-map 8822 df-ee 29177 |
| This theorem is referenced by: fveecn 29189 eqeelen 29191 brbtwn2 29192 colinearalglem4 29196 colinearalg 29197 eleesub 29198 eleesubd 29199 axcgrid 29203 axsegconlem1 29204 axsegconlem2 29205 axsegconlem3 29206 axsegconlem8 29211 axsegconlem9 29212 axsegconlem10 29213 ax5seglem3a 29217 ax5seg 29225 axpasch 29228 axeuclidlem 29249 axcontlem2 29252 |
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