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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 12628 | . 2 ⊢ ;10 = (((9 + 1) · 1) + 0) | |
2 | 9re 12261 | . . . . 5 ⊢ 9 ∈ ℝ | |
3 | 1re 11164 | . . . . 5 ⊢ 1 ∈ ℝ | |
4 | 2, 3 | readdcli 11179 | . . . 4 ⊢ (9 + 1) ∈ ℝ |
5 | 4, 3 | remulcli 11180 | . . 3 ⊢ ((9 + 1) · 1) ∈ ℝ |
6 | 0re 11166 | . . 3 ⊢ 0 ∈ ℝ | |
7 | 5, 6 | readdcli 11179 | . 2 ⊢ (((9 + 1) · 1) + 0) ∈ ℝ |
8 | 1, 7 | eqeltri 2828 | 1 ⊢ ;10 ∈ ℝ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2106 (class class class)co 7362 ℝcr 11059 0cc0 11060 1c1 11061 + caddc 11063 · cmul 11065 9c9 12224 ;cdc 12627 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2702 ax-1cn 11118 ax-icn 11119 ax-addcl 11120 ax-addrcl 11121 ax-mulcl 11122 ax-mulrcl 11123 ax-i2m1 11128 ax-1ne0 11129 ax-rnegex 11131 ax-rrecex 11132 ax-cnre 11133 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-sb 2068 df-clab 2709 df-cleq 2723 df-clel 2809 df-ne 2940 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-br 5111 df-iota 6453 df-fv 6509 df-ov 7365 df-2 12225 df-3 12226 df-4 12227 df-5 12228 df-6 12229 df-7 12230 df-8 12231 df-9 12232 df-dec 12628 |
This theorem is referenced by: 8lt10 12759 7lt10 12760 6lt10 12761 5lt10 12762 4lt10 12763 3lt10 12764 2lt10 12765 1lt10 12766 0.999... 15777 bpoly4 15953 plendxnocndx 17279 slotsdifdsndx 17289 slotsdifunifndx 17296 slotsdifplendx2 17312 cnfldfunALTOLD 20847 thlleOLD 21140 bposlem4 26672 bposlem5 26673 dp2cl 31806 dp2lt10 31810 dp2lt 31811 dp2ltsuc 31812 dp2ltc 31813 dpfrac1 31818 dplti 31831 dpgti 31832 dpexpp1 31834 hgt750lem 33353 problem2 34341 lcmineqlem23 40581 aks4d1p1p7 40604 bgoldbtbndlem1 46117 tgblthelfgott 46127 tgoldbach 46129 prstclevalOLD 47209 |
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