| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > eleenn | Structured version Visualization version GIF version | ||
| Description: If 𝐴 is in (𝔼‘𝑁), then 𝑁 is a natural. (Contributed by Scott Fenton, 1-Jul-2013.) |
| Ref | Expression |
|---|---|
| eleenn | ⊢ (𝐴 ∈ (𝔼‘𝑁) → 𝑁 ∈ ℕ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ee 29218 | . 2 ⊢ 𝔼 = (𝑛 ∈ ℕ ↦ (ℝ ↑m (1...𝑛))) | |
| 2 | 1 | mptrcl 7001 | 1 ⊢ (𝐴 ∈ (𝔼‘𝑁) → 𝑁 ∈ ℕ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 ‘cfv 6538 (class class class)co 7412 ↑m cmap 8825 ℝcr 11100 1c1 11102 ℕcn 12234 ...cfz 13536 𝔼cee 29215 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pr 5406 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-xp 5669 df-rel 5670 df-cnv 5671 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fv 6546 df-ee 29218 |
| This theorem is referenced by: eleei 29225 eedimeq 29226 brbtwn 29227 brcgr 29228 eleesub 29239 eleesubd 29240 axsegconlem1 29245 axsegconlem8 29252 axeuclidlem 29290 brsegle 36578 |
| Copyright terms: Public domain | W3C validator |