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Mirrors > Home > MPE Home > Th. List > supxrbnd | Structured version Visualization version Unicode version |
Description: The supremum of a bounded-above nonempty set of reals is real. (Contributed by NM, 19-Jan-2006.) |
Ref | Expression |
---|---|
supxrbnd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ressxr 10083 |
. . . . 5
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2 | sstr 3611 |
. . . . 5
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3 | 1, 2 | mpan2 707 |
. . . 4
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4 | supxrcl 12145 |
. . . . . . 7
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5 | pnfxr 10092 |
. . . . . . . . . 10
![]() ![]() ![]() ![]() | |
6 | xrltne 11994 |
. . . . . . . . . 10
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7 | 5, 6 | mp3an2 1412 |
. . . . . . . . 9
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8 | 7 | necomd 2849 |
. . . . . . . 8
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9 | 8 | ex 450 |
. . . . . . 7
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10 | 4, 9 | syl 17 |
. . . . . 6
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11 | supxrunb2 12150 |
. . . . . . . . 9
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12 | ssel2 3598 |
. . . . . . . . . . . . . 14
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13 | 12 | adantlr 751 |
. . . . . . . . . . . . 13
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14 | rexr 10085 |
. . . . . . . . . . . . . 14
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
15 | 14 | ad2antlr 763 |
. . . . . . . . . . . . 13
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
16 | xrlenlt 10103 |
. . . . . . . . . . . . . 14
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17 | 16 | con2bid 344 |
. . . . . . . . . . . . 13
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18 | 13, 15, 17 | syl2anc 693 |
. . . . . . . . . . . 12
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19 | 18 | rexbidva 3049 |
. . . . . . . . . . 11
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20 | rexnal 2995 |
. . . . . . . . . . 11
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
21 | 19, 20 | syl6bb 276 |
. . . . . . . . . 10
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
22 | 21 | ralbidva 2985 |
. . . . . . . . 9
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23 | 11, 22 | bitr3d 270 |
. . . . . . . 8
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24 | ralnex 2992 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
25 | 23, 24 | syl6bb 276 |
. . . . . . 7
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26 | 25 | necon2abid 2836 |
. . . . . 6
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27 | 10, 26 | sylibrd 249 |
. . . . 5
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28 | 27 | imp 445 |
. . . 4
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29 | 3, 28 | sylan 488 |
. . 3
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30 | 29 | 3adant2 1080 |
. 2
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31 | supxrre 12157 |
. . 3
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32 | suprcl 10983 |
. . 3
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33 | 31, 32 | eqeltrd 2701 |
. 2
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34 | 30, 33 | syld3an3 1371 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-pre-sup 10014 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-po 5035 df-so 5036 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-sup 8348 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 |
This theorem is referenced by: supxrgtmnf 12159 ovolunlem1 23265 uniioombllem1 23349 |
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