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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 9099 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5re 9115 | . . 3 ⊢ 5 ∈ ℝ | |
| 3 | 1re 8071 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | readdcli 8085 | . 2 ⊢ (5 + 1) ∈ ℝ |
| 5 | 1, 4 | eqeltri 2278 | 1 ⊢ 6 ∈ ℝ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2176 (class class class)co 5944 ℝcr 7924 1c1 7926 + caddc 7928 5c5 9090 6c6 9091 |
| 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 1470 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-4 1533 ax-17 1549 ax-ial 1557 ax-ext 2187 ax-1re 8019 ax-addrcl 8022 |
| This theorem depends on definitions: df-bi 117 df-cleq 2198 df-clel 2201 df-2 9095 df-3 9096 df-4 9097 df-5 9098 df-6 9099 |
| This theorem is referenced by: 6cn 9118 7re 9119 7pos 9138 4lt6 9217 3lt6 9218 2lt6 9219 1lt6 9220 6lt7 9221 5lt7 9222 6lt8 9228 5lt8 9229 6lt9 9236 5lt9 9237 8th4div3 9256 halfpm6th 9257 div4p1lem1div2 9291 6lt10 9637 5lt10 9638 5recm6rec 9647 efi4p 12028 resin4p 12029 recos4p 12030 ef01bndlem 12067 sin01bnd 12068 cos01bnd 12069 slotsdifipndx 13007 slotstnscsi 13027 plendxnvscandx 13041 slotsdnscsi 13055 sincos6thpi 15314 pigt3 15316 |
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