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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 12087 | . 2 ⊢ ;10 = (((9 + 1) · 1) + 0) | |
2 | 9re 11724 | . . . . 5 ⊢ 9 ∈ ℝ | |
3 | 1re 10630 | . . . . 5 ⊢ 1 ∈ ℝ | |
4 | 2, 3 | readdcli 10645 | . . . 4 ⊢ (9 + 1) ∈ ℝ |
5 | 4, 3 | remulcli 10646 | . . 3 ⊢ ((9 + 1) · 1) ∈ ℝ |
6 | 0re 10632 | . . 3 ⊢ 0 ∈ ℝ | |
7 | 5, 6 | readdcli 10645 | . 2 ⊢ (((9 + 1) · 1) + 0) ∈ ℝ |
8 | 1, 7 | eqeltri 2886 | 1 ⊢ ;10 ∈ ℝ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2111 (class class class)co 7135 ℝcr 10525 0cc0 10526 1c1 10527 + caddc 10529 · cmul 10531 9c9 11687 ;cdc 12086 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-i2m1 10594 ax-1ne0 10595 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-ne 2988 df-ral 3111 df-rex 3112 df-v 3443 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-iota 6283 df-fv 6332 df-ov 7138 df-2 11688 df-3 11689 df-4 11690 df-5 11691 df-6 11692 df-7 11693 df-8 11694 df-9 11695 df-dec 12087 |
This theorem is referenced by: 8lt10 12218 7lt10 12219 6lt10 12220 5lt10 12221 4lt10 12222 3lt10 12223 2lt10 12224 1lt10 12225 0.999... 15229 bpoly4 15405 cnfldfun 20103 thlle 20386 bposlem4 25871 bposlem5 25872 dp2cl 30582 dp2lt10 30586 dp2lt 30587 dp2ltsuc 30588 dp2ltc 30589 dpfrac1 30594 dplti 30607 dpgti 30608 dpexpp1 30610 hgt750lem 32032 problem2 33022 lcmineqlem23 39339 bgoldbtbndlem1 44323 tgblthelfgott 44333 tgoldbach 44335 |
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