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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 12639 | . 2 ⊢ ;10 = (((9 + 1) · 1) + 0) | |
| 2 | 9re 12274 | . . . . 5 ⊢ 9 ∈ ℝ | |
| 3 | 1re 11138 | . . . . 5 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | readdcli 11154 | . . . 4 ⊢ (9 + 1) ∈ ℝ |
| 5 | 4, 3 | remulcli 11155 | . . 3 ⊢ ((9 + 1) · 1) ∈ ℝ |
| 6 | 0re 11140 | . . 3 ⊢ 0 ∈ ℝ | |
| 7 | 5, 6 | readdcli 11154 | . 2 ⊢ (((9 + 1) · 1) + 0) ∈ ℝ |
| 8 | 1, 7 | eqeltri 2833 | 1 ⊢ ;10 ∈ ℝ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 (class class class)co 7361 ℝcr 11031 0cc0 11032 1c1 11033 + caddc 11035 · cmul 11037 9c9 12237 ;cdc 12638 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-i2m1 11100 ax-1ne0 11101 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6449 df-fv 6501 df-ov 7364 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 df-7 12243 df-8 12244 df-9 12245 df-dec 12639 |
| This theorem is referenced by: 8lt10 12770 7lt10 12771 6lt10 12772 5lt10 12773 4lt10 12774 3lt10 12775 2lt10 12776 1lt10 12777 0.999... 15840 bpoly4 16018 plendxnocndx 17341 slotsdifdsndx 17351 slotsdifunifndx 17358 slotsdifplendx2 17373 bposlem4 27267 bposlem5 27268 dp2cl 32957 dp2lt10 32961 dp2lt 32962 dp2ltsuc 32963 dp2ltc 32964 dpfrac1 32969 dplti 32982 dpgti 32983 dpexpp1 32985 hgt750lem 34814 problem2 35867 lcmineqlem23 42507 aks4d1p1p7 42530 goldrasin 47347 bgoldbtbndlem1 48296 tgblthelfgott 48306 tgoldbach 48308 |
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