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| Mirrors > Home > MPE Home > Th. List > 10re | Structured version Visualization version GIF version | ||
| Description: The number 10 is real. (Contributed by NM, 5-Feb-2007.) (Revised by AV, 8-Sep-2021.) Reduce dependencies on axioms. (Revised by Steven Nguyen, 8-Oct-2022.) |
| Ref | Expression |
|---|---|
| 10re | ⊢ ;10 ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-dec 12610 | . 2 ⊢ ;10 = (((9 + 1) · 1) + 0) | |
| 2 | 9re 12246 | . . . . 5 ⊢ 9 ∈ ℝ | |
| 3 | 1re 11134 | . . . . 5 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | readdcli 11149 | . . . 4 ⊢ (9 + 1) ∈ ℝ |
| 5 | 4, 3 | remulcli 11150 | . . 3 ⊢ ((9 + 1) · 1) ∈ ℝ |
| 6 | 0re 11136 | . . 3 ⊢ 0 ∈ ℝ | |
| 7 | 5, 6 | readdcli 11149 | . 2 ⊢ (((9 + 1) · 1) + 0) ∈ ℝ |
| 8 | 1, 7 | eqeltri 2832 | 1 ⊢ ;10 ∈ ℝ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 (class class class)co 7358 ℝcr 11027 0cc0 11028 1c1 11029 + caddc 11031 · cmul 11033 9c9 12209 ;cdc 12609 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-i2m1 11096 ax-1ne0 11097 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-iota 6448 df-fv 6500 df-ov 7361 df-2 12210 df-3 12211 df-4 12212 df-5 12213 df-6 12214 df-7 12215 df-8 12216 df-9 12217 df-dec 12610 |
| This theorem is referenced by: 8lt10 12741 7lt10 12742 6lt10 12743 5lt10 12744 4lt10 12745 3lt10 12746 2lt10 12747 1lt10 12748 0.999... 15806 bpoly4 15984 plendxnocndx 17306 slotsdifdsndx 17316 slotsdifunifndx 17323 slotsdifplendx2 17338 bposlem4 27256 bposlem5 27257 dp2cl 32963 dp2lt10 32967 dp2lt 32968 dp2ltsuc 32969 dp2ltc 32970 dpfrac1 32975 dplti 32988 dpgti 32989 dpexpp1 32991 hgt750lem 34810 problem2 35862 lcmineqlem23 42327 aks4d1p1p7 42350 bgoldbtbndlem1 48072 tgblthelfgott 48082 tgoldbach 48084 |
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