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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 9134 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5re 9150 | . . 3 ⊢ 5 ∈ ℝ | |
| 3 | 1re 8106 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | readdcli 8120 | . 2 ⊢ (5 + 1) ∈ ℝ |
| 5 | 1, 4 | eqeltri 2280 | 1 ⊢ 6 ∈ ℝ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2178 (class class class)co 5967 ℝcr 7959 1c1 7961 + caddc 7963 5c5 9125 6c6 9126 |
| 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 1471 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-4 1534 ax-17 1550 ax-ial 1558 ax-ext 2189 ax-1re 8054 ax-addrcl 8057 |
| This theorem depends on definitions: df-bi 117 df-cleq 2200 df-clel 2203 df-2 9130 df-3 9131 df-4 9132 df-5 9133 df-6 9134 |
| This theorem is referenced by: 6cn 9153 7re 9154 7pos 9173 4lt6 9252 3lt6 9253 2lt6 9254 1lt6 9255 6lt7 9256 5lt7 9257 6lt8 9263 5lt8 9264 6lt9 9271 5lt9 9272 8th4div3 9291 halfpm6th 9292 div4p1lem1div2 9326 6lt10 9672 5lt10 9673 5recm6rec 9682 efi4p 12143 resin4p 12144 recos4p 12145 ef01bndlem 12182 sin01bnd 12183 cos01bnd 12184 slotsdifipndx 13122 slotstnscsi 13142 plendxnvscandx 13156 slotsdnscsi 13170 sincos6thpi 15429 pigt3 15431 |
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