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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 12678 | . 2 ⊢ ;10 = (((9 + 1) · 1) + 0) | |
2 | 9re 12311 | . . . . 5 ⊢ 9 ∈ ℝ | |
3 | 1re 11214 | . . . . 5 ⊢ 1 ∈ ℝ | |
4 | 2, 3 | readdcli 11229 | . . . 4 ⊢ (9 + 1) ∈ ℝ |
5 | 4, 3 | remulcli 11230 | . . 3 ⊢ ((9 + 1) · 1) ∈ ℝ |
6 | 0re 11216 | . . 3 ⊢ 0 ∈ ℝ | |
7 | 5, 6 | readdcli 11229 | . 2 ⊢ (((9 + 1) · 1) + 0) ∈ ℝ |
8 | 1, 7 | eqeltri 2830 | 1 ⊢ ;10 ∈ ℝ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2107 (class class class)co 7409 ℝcr 11109 0cc0 11110 1c1 11111 + caddc 11113 · cmul 11115 9c9 12274 ;cdc 12677 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-ext 2704 ax-1cn 11168 ax-icn 11169 ax-addcl 11170 ax-addrcl 11171 ax-mulcl 11172 ax-mulrcl 11173 ax-i2m1 11178 ax-1ne0 11179 ax-rnegex 11181 ax-rrecex 11182 ax-cnre 11183 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-sb 2069 df-clab 2711 df-cleq 2725 df-clel 2811 df-ne 2942 df-ral 3063 df-rex 3072 df-rab 3434 df-v 3477 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-nul 4324 df-if 4530 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4910 df-br 5150 df-iota 6496 df-fv 6552 df-ov 7412 df-2 12275 df-3 12276 df-4 12277 df-5 12278 df-6 12279 df-7 12280 df-8 12281 df-9 12282 df-dec 12678 |
This theorem is referenced by: 8lt10 12809 7lt10 12810 6lt10 12811 5lt10 12812 4lt10 12813 3lt10 12814 2lt10 12815 1lt10 12816 0.999... 15827 bpoly4 16003 plendxnocndx 17329 slotsdifdsndx 17339 slotsdifunifndx 17346 slotsdifplendx2 17362 cnfldfunALTOLD 20958 thlleOLD 21252 bposlem4 26790 bposlem5 26791 dp2cl 32046 dp2lt10 32050 dp2lt 32051 dp2ltsuc 32052 dp2ltc 32053 dpfrac1 32058 dplti 32071 dpgti 32072 dpexpp1 32074 hgt750lem 33663 problem2 34651 lcmineqlem23 40916 aks4d1p1p7 40939 bgoldbtbndlem1 46473 tgblthelfgott 46483 tgoldbach 46485 prstclevalOLD 47689 |
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