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| Mirrors > Home > ILE Home > Th. List > nnrei | GIF version | ||
| Description: A positive integer is a real number. (Contributed by NM, 18-Aug-1999.) |
| Ref | Expression |
|---|---|
| nnre.1 | ⊢ 𝐴 ∈ ℕ |
| Ref | Expression |
|---|---|
| nnrei | ⊢ 𝐴 ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnre.1 | . 2 ⊢ 𝐴 ∈ ℕ | |
| 2 | nnre 9320 | . 2 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℝ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝐴 ∈ ℝ |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ∈ wcel 2209 ℝcr 8184 ℕcn 9313 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-sep 4251 ax-cnex 8276 ax-resscn 8277 ax-1re 8279 ax-addrcl 8282 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-v 2823 df-in 3226 df-ss 3233 df-int 3971 df-inn 9314 |
| This theorem is used by: nncni 9323 nnap0i 9344 nnne0i 9345 10re 9810 numlt 9817 numltc 9818 ef01bndlem 12548 pockthi 13166 prmlem1 13251 prmlem2 13263 ballotfilem2 13286 ballotfilem5 13300 ballotfilemth 13339 strleun 13517 strle1g 13519 2strbasg 13533 2stropg 13534 tsetndxnbasendx 13604 plendxnbasendx 13618 dsndxnbasendx 13633 unifndxnbasendx 13643 slotsdifunifndx 13645 log2ublem1 16221 log2ublem2 16222 log2ublog2 16224 bpos1lem 16309 bposlem8 16318 bposlem9 16319 basendxnedgfndx 16457 struct2slots2dom 16484 |
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