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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 12611 | . 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 2824 | 1 ⊢ ;10 ∈ ℝ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2109 (class class class)co 7353 ℝcr 11027 0cc0 11028 1c1 11029 + caddc 11031 · cmul 11033 9c9 12209 ;cdc 12610 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2701 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 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-ne 2926 df-ral 3045 df-rex 3054 df-rab 3397 df-v 3440 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4479 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4862 df-br 5096 df-iota 6442 df-fv 6494 df-ov 7356 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 12611 |
| This theorem is referenced by: 8lt10 12742 7lt10 12743 6lt10 12744 5lt10 12745 4lt10 12746 3lt10 12747 2lt10 12748 1lt10 12749 0.999... 15807 bpoly4 15985 plendxnocndx 17307 slotsdifdsndx 17317 slotsdifunifndx 17324 slotsdifplendx2 17339 bposlem4 27215 bposlem5 27216 dp2cl 32839 dp2lt10 32843 dp2lt 32844 dp2ltsuc 32845 dp2ltc 32846 dpfrac1 32851 dplti 32864 dpgti 32865 dpexpp1 32867 hgt750lem 34638 problem2 35658 lcmineqlem23 42044 aks4d1p1p7 42067 bgoldbtbndlem1 47809 tgblthelfgott 47819 tgoldbach 47821 |
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