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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 12606 | . 2 ⊢ ;10 = (((9 + 1) · 1) + 0) | |
| 2 | 9re 12242 | . . . . 5 ⊢ 9 ∈ ℝ | |
| 3 | 1re 11130 | . . . . 5 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | readdcli 11145 | . . . 4 ⊢ (9 + 1) ∈ ℝ |
| 5 | 4, 3 | remulcli 11146 | . . 3 ⊢ ((9 + 1) · 1) ∈ ℝ |
| 6 | 0re 11132 | . . 3 ⊢ 0 ∈ ℝ | |
| 7 | 5, 6 | readdcli 11145 | . 2 ⊢ (((9 + 1) · 1) + 0) ∈ ℝ |
| 8 | 1, 7 | eqeltri 2830 | 1 ⊢ ;10 ∈ ℝ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 (class class class)co 7356 ℝcr 11023 0cc0 11024 1c1 11025 + caddc 11027 · cmul 11029 9c9 12205 ;cdc 12605 |
| 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 2706 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-i2m1 11092 ax-1ne0 11093 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 |
| 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 2713 df-cleq 2726 df-clel 2809 df-ne 2931 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-iota 6446 df-fv 6498 df-ov 7359 df-2 12206 df-3 12207 df-4 12208 df-5 12209 df-6 12210 df-7 12211 df-8 12212 df-9 12213 df-dec 12606 |
| This theorem is referenced by: 8lt10 12737 7lt10 12738 6lt10 12739 5lt10 12740 4lt10 12741 3lt10 12742 2lt10 12743 1lt10 12744 0.999... 15802 bpoly4 15980 plendxnocndx 17302 slotsdifdsndx 17312 slotsdifunifndx 17319 slotsdifplendx2 17334 bposlem4 27252 bposlem5 27253 dp2cl 32910 dp2lt10 32914 dp2lt 32915 dp2ltsuc 32916 dp2ltc 32917 dpfrac1 32922 dplti 32935 dpgti 32936 dpexpp1 32938 hgt750lem 34757 problem2 35809 lcmineqlem23 42244 aks4d1p1p7 42267 bgoldbtbndlem1 47993 tgblthelfgott 48003 tgoldbach 48005 |
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