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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 9184 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5re 9200 | . . 3 ⊢ 5 ∈ ℝ | |
| 3 | 1re 8156 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | readdcli 8170 | . 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 6007 ℝcr 8009 1c1 8011 + caddc 8013 5c5 9175 6c6 9176 |
| 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 8104 ax-addrcl 8107 |
| This theorem depends on definitions: df-bi 117 df-cleq 2222 df-clel 2225 df-2 9180 df-3 9181 df-4 9182 df-5 9183 df-6 9184 |
| This theorem is referenced by: 6cn 9203 7re 9204 7pos 9223 4lt6 9302 3lt6 9303 2lt6 9304 1lt6 9305 6lt7 9306 5lt7 9307 6lt8 9313 5lt8 9314 6lt9 9321 5lt9 9322 8th4div3 9341 halfpm6th 9342 div4p1lem1div2 9376 6lt10 9722 5lt10 9723 5recm6rec 9732 efi4p 12243 resin4p 12244 recos4p 12245 ef01bndlem 12282 sin01bnd 12283 cos01bnd 12284 slotsdifipndx 13223 slotstnscsi 13243 plendxnvscandx 13257 slotsdnscsi 13271 sincos6thpi 15531 pigt3 15533 |
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