Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > 8re | Structured version Visualization version GIF version |
Description: The number 8 is real. (Contributed by NM, 27-May-1999.) |
Ref | Expression |
---|---|
8re | ⊢ 8 ∈ ℝ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-8 11085 | . 2 ⊢ 8 = (7 + 1) | |
2 | 7re 11103 | . . 3 ⊢ 7 ∈ ℝ | |
3 | 1re 10039 | . . 3 ⊢ 1 ∈ ℝ | |
4 | 2, 3 | readdcli 10053 | . 2 ⊢ (7 + 1) ∈ ℝ |
5 | 1, 4 | eqeltri 2697 | 1 ⊢ 8 ∈ ℝ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 1990 (class class class)co 6650 ℝcr 9935 1c1 9937 + caddc 9939 7c7 11075 8c8 11076 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-i2m1 10004 ax-1ne0 10005 ax-rrecex 10008 ax-cnre 10009 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-iota 5851 df-fv 5896 df-ov 6653 df-2 11079 df-3 11080 df-4 11081 df-5 11082 df-6 11083 df-7 11084 df-8 11085 |
This theorem is referenced by: 8cn 11106 9re 11107 9pos 11122 6lt8 11216 5lt8 11217 4lt8 11218 3lt8 11219 2lt8 11220 1lt8 11221 8lt9 11222 7lt9 11223 8lt10OLD 11231 7lt10OLD 11232 8th4div3 11252 8lt10 11674 7lt10 11675 ef01bndlem 14914 cos2bnd 14918 sralem 19177 chtub 24937 bposlem8 25016 bposlem9 25017 lgsdir2lem1 25050 lgsdir2lem4 25053 lgsdir2lem5 25054 2lgsoddprmlem1 25133 2lgsoddprmlem2 25134 chebbnd1lem2 25159 chebbnd1lem3 25160 chebbnd1 25161 pntlemf 25294 cchhllem 25767 hgt750lem 30729 hgt750lem2 30730 hgt750leme 30736 fmtnoprmfac2lem1 41478 mod42tp1mod8 41519 nnsum3primesle9 41682 nnsum4primesoddALTV 41685 nnsum4primesevenALTV 41689 bgoldbtbndlem1 41693 tgoldbach 41705 tgoldbachOLD 41712 |
Copyright terms: Public domain | W3C validator |