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| Mirrors > Home > ILE Home > Th. List > 6re | GIF version | ||
| Description: The number 6 is real. (Contributed by NM, 27-May-1999.) |
| Ref | Expression |
|---|---|
| 6re | ⊢ 6 ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-6 9196 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5re 9212 | . . 3 ⊢ 5 ∈ ℝ | |
| 3 | 1re 8168 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | readdcli 8182 | . 2 ⊢ (5 + 1) ∈ ℝ |
| 5 | 1, 4 | eqeltri 2302 | 1 ⊢ 6 ∈ ℝ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 (class class class)co 6013 ℝcr 8021 1c1 8023 + caddc 8025 5c5 9187 6c6 9188 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1493 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-4 1556 ax-17 1572 ax-ial 1580 ax-ext 2211 ax-1re 8116 ax-addrcl 8119 |
| This theorem depends on definitions: df-bi 117 df-cleq 2222 df-clel 2225 df-2 9192 df-3 9193 df-4 9194 df-5 9195 df-6 9196 |
| This theorem is referenced by: 6cn 9215 7re 9216 7pos 9235 4lt6 9314 3lt6 9315 2lt6 9316 1lt6 9317 6lt7 9318 5lt7 9319 6lt8 9325 5lt8 9326 6lt9 9333 5lt9 9334 8th4div3 9353 halfpm6th 9354 div4p1lem1div2 9388 6lt10 9734 5lt10 9735 5recm6rec 9744 efi4p 12268 resin4p 12269 recos4p 12270 ef01bndlem 12307 sin01bnd 12308 cos01bnd 12309 slotsdifipndx 13248 slotstnscsi 13268 plendxnvscandx 13282 slotsdnscsi 13296 sincos6thpi 15556 pigt3 15558 |
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