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| Description: Closure of infimum of a non-empty bounded set of reals. |
| Ref | Expression |
|---|---|
| infmrcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | infmsup 6025 |
. 2
| |
| 2 | ssrab2 2128 |
. . . . 5
| |
| 3 | suprcl 6012 |
. . . . 5
| |
| 4 | 2, 3 | mp3an1 902 |
. . . 4
|
| 5 | ssel 2060 |
. . . . . . . . . . 11
| |
| 6 | renegclt 5420 |
. . . . . . . . . . 11
| |
| 7 | 5, 6 | syl6 22 |
. . . . . . . . . 10
|
| 8 | ssel2 2061 |
. . . . . . . . . . . . 13
| |
| 9 | recnt 5296 |
. . . . . . . . . . . . 13
| |
| 10 | negnegt 5376 |
. . . . . . . . . . . . 13
| |
| 11 | 8, 9, 10 | 3syl 20 |
. . . . . . . . . . . 12
|
| 12 | pm3.27 323 |
. . . . . . . . . . . 12
| |
| 13 | 11, 12 | eqeltrd 1546 |
. . . . . . . . . . 11
|
| 14 | 13 | ex 373 |
. . . . . . . . . 10
|
| 15 | 7, 14 | jcad 599 |
. . . . . . . . 9
|
| 16 | negeq 5342 |
. . . . . . . . . . . 12
| |
| 17 | 16 | eleq1d 1538 |
. . . . . . . . . . 11
|
| 18 | 17 | elrab 1902 |
. . . . . . . . . 10
|
| 19 | ne0i 2283 |
. . . . . . . . . 10
| |
| 20 | 18, 19 | sylbir 201 |
. . . . . . . . 9
|
| 21 | 15, 20 | syl6 22 |
. . . . . . . 8
|
| 22 | 21 | 19.23adv 1213 |
. . . . . . 7
|
| 23 | 22 | imp 350 |
. . . . . 6
|
| 24 | ne0 2285 |
. . . . . 6
| |
| 25 | 23, 24 | sylan2b 452 |
. . . . 5
|
| 26 | 25 | 3adant3 798 |
. . . 4
|
| 27 | breq2 2619 |
. . . . . . . . . . . . . . . 16
| |
| 28 | 27 | rcla4va 1872 |
. . . . . . . . . . . . . . 15
|
| 29 | 28 | adantll 392 |
. . . . . . . . . . . . . 14
|
| 30 | 29 | adantll 392 |
. . . . . . . . . . . . 13
|
| 31 | lenegcon2t 5642 |
. . . . . . . . . . . . . . 15
| |
| 32 | 31 | adantrr 395 |
. . . . . . . . . . . . . 14
|
| 33 | 32 | adantr 389 |
. . . . . . . . . . . . 13
|
| 34 | 30, 33 | mpbid 195 |
. . . . . . . . . . . 12
|
| 35 | 34 | exp31 376 |
. . . . . . . . . . 11
|
| 36 | negeq 5342 |
. . . . . . . . . . . . 13
| |
| 37 | 36 | eleq1d 1538 |
. . . . . . . . . . . 12
|
| 38 | 37 | elrab 1902 |
. . . . . . . . . . 11
|
| 39 | 35, 38 | syl5ib 206 |
. . . . . . . . . 10
|
| 40 | 39 | com23 32 |
. . . . . . . . 9
|
| 41 | 40 | r19.21adv 1716 |
. . . . . . . 8
|
| 42 | renegclt 5420 |
. . . . . . . 8
| |
| 43 | 41, 42 | jctild 600 |
. . . . . . 7
|
| 44 | breq2 2619 |
. . . . . . . . 9
| |
| 45 | 44 | ralbidv 1661 |
. . . . . . . 8
|
| 46 | 45 | rcla4ev 1874 |
. . . . . . 7
|
| 47 | 43, 46 | syl6 22 |
. . . . . 6
|
| 48 | 47 | r19.23aiv 1741 |
. . . . 5
|
| 49 | 48 | 3ad2ant3 801 |
. . . 4
|
| 50 | 4, 26, 49 | sylanc 471 |
. . 3
|
| 51 | renegclt 5420 |
. . 3
| |
| 52 | 50, 51 | syl 10 |
. 2
|
| 53 | 1, 52 | eqeltrd 1546 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 961 ax-gen 962 ax-8 963 ax-9 964 ax-10 965 ax-11 966 ax-12 967 ax-13 968 ax-14 969 ax-17 970 ax-4 972 ax-5o 974 ax-6o 977 ax-9o 1122 ax-10o 1139 ax-16 1209 ax-11o 1217 ax-ext 1458 ax-rep 2689 ax-sep 2699 ax-nul 2706 ax-pow 2738 ax-pr 2775 ax-un 2862 ax-inf2 4608 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 775 df-3an 776 df-ex 980 df-sb 1171 df-eu 1381 df-mo 1382 df-clab 1463 df-cleq 1468 df-clel 1471 df-ne 1585 df-nel 1586 df-ral 1647 df-rex 1648 df-reu 1649 df-rab 1650 df-v 1809 df-sbc 1939 df-csb 1999 df-dif 2046 df-un 2047 df-in 2048 df-ss 2050 df-pss 2052 df-nul 2278 df-if 2359 df-pw 2399 df-sn 2409 df-pr 2410 df-tp 2412 df-op 2413 df-uni 2500 df-int 2530 df-iun 2564 df-br 2616 df-opab 2663 df-tr 2677 df-eprel 2828 df-id 2831 df-po 2836 df-so 2846 df-fr 2913 df-we 2930 df-ord 2947 df-on 2948 df-lim 2949 df-suc 2950 df-om 3128 df-xp 3180 df-rel 3181 df-cnv 3182 df-co 3183 df-dm 3184 df-rn 3185 df-res 3186 df-ima 3187 df-fun 3188 df-fn 3189 df-f 3190 df-f1 3191 df-fo 3192 df-f1o 3193 df-fv 3194 df-rdg 3927 df-opr 3960 df-oprab 3961 df-1st 4072 df-2nd 4073 df-1o 4126 df-oadd 4128 df-omul 4129 df-er 4254 df-ec 4256 df-qs 4259 df-en 4360 df-dom 4361 df-sdom 4362 df-sup 4557 df-ni 4983 df-pli 4984 df-mi 4985 df-lti 4986 df-plpq 5018 df-mpq 5019 df-enq 5020 df-nq 5021 df-plq 5022 df-mq 5023 df-rq 5024 df-ltq 5025 df-1q 5026 df-np 5069 df-1p 5070 df-plp 5071 df-mp 5072 df-ltp 5073 df-plpr 5147 df-mpr 5148 df-enr 5149 df-nr 5150 df-plr 5151 df-mr 5152 df-ltr 5153 df-0r 5154 df-1r 5155 df-m1r 5156 df-c 5223 df-0 5224 df-1 5225 df-i 5226 df-r 5227 df-plus 5228 df-mul 5229 df-lt 5230 df-sub 5339 df-neg 5341 df-pnf 5470 df-mnf 5471 df-xr 5472 df-ltxr 5473 df-le 5474 |