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Mirrors > Home > MPE Home > Th. List > nmoreltpnf | Structured version Visualization version GIF version |
Description: The norm of any operator is real iff it is less than plus infinity. (Contributed by NM, 8-Dec-2007.) (New usage is discouraged.) |
Ref | Expression |
---|---|
nmoxr.1 | β’ π = (BaseSetβπ) |
nmoxr.2 | β’ π = (BaseSetβπ) |
nmoxr.3 | β’ π = (π normOpOLD π) |
Ref | Expression |
---|---|
nmoreltpnf | β’ ((π β NrmCVec β§ π β NrmCVec β§ π:πβΆπ) β ((πβπ) β β β (πβπ) < +β)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nmoxr.1 | . . 3 β’ π = (BaseSetβπ) | |
2 | nmoxr.2 | . . 3 β’ π = (BaseSetβπ) | |
3 | nmoxr.3 | . . 3 β’ π = (π normOpOLD π) | |
4 | 1, 2, 3 | nmorepnf 30008 | . 2 β’ ((π β NrmCVec β§ π β NrmCVec β§ π:πβΆπ) β ((πβπ) β β β (πβπ) β +β)) |
5 | 1, 2, 3 | nmoxr 30006 | . . . 4 β’ ((π β NrmCVec β§ π β NrmCVec β§ π:πβΆπ) β (πβπ) β β*) |
6 | nltpnft 13139 | . . . 4 β’ ((πβπ) β β* β ((πβπ) = +β β Β¬ (πβπ) < +β)) | |
7 | 5, 6 | syl 17 | . . 3 β’ ((π β NrmCVec β§ π β NrmCVec β§ π:πβΆπ) β ((πβπ) = +β β Β¬ (πβπ) < +β)) |
8 | 7 | necon2abid 2983 | . 2 β’ ((π β NrmCVec β§ π β NrmCVec β§ π:πβΆπ) β ((πβπ) < +β β (πβπ) β +β)) |
9 | 4, 8 | bitr4d 281 | 1 β’ ((π β NrmCVec β§ π β NrmCVec β§ π:πβΆπ) β ((πβπ) β β β (πβπ) < +β)) |
Colors of variables: wff setvar class |
Syntax hints: Β¬ wn 3 β wi 4 β wb 205 β§ w3a 1087 = wceq 1541 β wcel 2106 β wne 2940 class class class wbr 5147 βΆwf 6536 βcfv 6540 (class class class)co 7405 βcr 11105 +βcpnf 11241 β*cxr 11243 < clt 11244 NrmCVeccnv 29824 BaseSetcba 29826 normOpOLD cnmoo 29981 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7721 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-pre-sup 11184 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-iun 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5573 df-eprel 5579 df-po 5587 df-so 5588 df-fr 5630 df-we 5632 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-pred 6297 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7852 df-1st 7971 df-2nd 7972 df-frecs 8262 df-wrecs 8293 df-recs 8367 df-rdg 8406 df-er 8699 df-map 8818 df-en 8936 df-dom 8937 df-sdom 8938 df-sup 9433 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-div 11868 df-nn 12209 df-2 12271 df-3 12272 df-n0 12469 df-z 12555 df-uz 12819 df-rp 12971 df-seq 13963 df-exp 14024 df-cj 15042 df-re 15043 df-im 15044 df-sqrt 15178 df-abs 15179 df-grpo 29733 df-gid 29734 df-ginv 29735 df-ablo 29785 df-vc 29799 df-nv 29832 df-va 29835 df-ba 29836 df-sm 29837 df-0v 29838 df-nmcv 29840 df-nmoo 29985 |
This theorem is referenced by: isblo2 30023 |
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