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Mirrors > Home > MPE Home > Th. List > Mathboxes > liminfvalxrmpt | Structured version Visualization version Unicode version |
Description: Alternate definition of liminf when is an extended real valued function. (Contributed by Glauco Siliprandi, 2-Jan-2022.) |
Ref | Expression |
---|---|
liminfvalxrmpt.1 | |
liminfvalxrmpt.2 | |
liminfvalxrmpt.3 |
Ref | Expression |
---|---|
liminfvalxrmpt | liminf |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfmpt1 4747 | . . 3 | |
2 | liminfvalxrmpt.2 | . . 3 | |
3 | liminfvalxrmpt.1 | . . . 4 | |
4 | liminfvalxrmpt.3 | . . . 4 | |
5 | 3, 4 | fmptd2f 39442 | . . 3 |
6 | 1, 2, 5 | liminfvalxr 40015 | . 2 liminf |
7 | eqidd 2623 | . . . . . . 7 | |
8 | 7, 4 | fvmpt2d 6293 | . . . . . 6 |
9 | 8 | xnegeqd 39664 | . . . . 5 |
10 | 3, 9 | mpteq2da 4743 | . . . 4 |
11 | 10 | fveq2d 6195 | . . 3 |
12 | 11 | xnegeqd 39664 | . 2 |
13 | 6, 12 | eqtrd 2656 | 1 liminf |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wceq 1483 wnf 1708 wcel 1990 cmpt 4729 cfv 5888 cxr 10073 cxne 11943 clsp 14201 liminfclsi 39983 |
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-rep 4771 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-iun 4522 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-isom 5897 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-inf 8349 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-xneg 11946 df-limsup 14202 df-liminf 39984 |
This theorem is referenced by: liminfval4 40021 liminfval3 40022 |
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