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Mirrors > Home > MPE Home > Th. List > 9re | Structured version Visualization version Unicode version |
Description: The number 9 is real. (Contributed by NM, 27-May-1999.) |
Ref | Expression |
---|---|
9re |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-9 11086 | . 2 | |
2 | 8re 11105 | . . 3 | |
3 | 1re 10039 | . . 3 | |
4 | 2, 3 | readdcli 10053 | . 2 |
5 | 1, 4 | eqeltri 2697 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wcel 1990 (class class class)co 6650 cr 9935 c1 9937 caddc 9939 c8 11076 c9 11077 |
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 df-9 11086 |
This theorem is referenced by: 9cn 11108 10reOLD 11109 10posOLD 11123 7lt9 11223 6lt9 11224 5lt9 11225 4lt9 11226 3lt9 11227 2lt9 11228 1lt9 11229 9lt10OLD 11230 8lt10OLD 11231 9lt10 11673 8lt10 11674 0.999... 14612 0.999...OLD 14613 cos2bnd 14918 sincos2sgn 14924 cnfldfun 19758 tuslem 22071 setsmsds 22281 tnglem 22444 tngds 22452 log2tlbnd 24672 bposlem4 25012 bposlem5 25013 bposlem7 25015 bposlem8 25016 bposlem9 25017 ex-fv 27300 dp2lt10 29591 hgt750lem 30729 hgt750lem2 30730 hgt750leme 30736 problem5 31563 31prm 41512 wtgoldbnnsum4prm 41690 bgoldbnnsum3prm 41692 bgoldbtbndlem1 41693 |
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