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Mirrors > Home > MPE Home > Th. List > ledm | Structured version Visualization version Unicode version |
Description: domain of is . (Contributed by FL, 2-Aug-2009.) (Revised by Mario Carneiro, 4-May-2015.) |
Ref | Expression |
---|---|
ledm |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xrleid 11983 | . . . 4 | |
2 | lerel 10102 | . . . . 5 | |
3 | 2 | releldmi 5362 | . . . 4 |
4 | 1, 3 | syl 17 | . . 3 |
5 | 4 | ssriv 3607 | . 2 |
6 | lerelxr 10101 | . . . 4 | |
7 | dmss 5323 | . . . 4 | |
8 | 6, 7 | ax-mp 5 | . . 3 |
9 | dmxpss 5565 | . . 3 | |
10 | 8, 9 | sstri 3612 | . 2 |
11 | 5, 10 | eqssi 3619 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wceq 1483 wcel 1990 wss 3574 class class class wbr 4653 cxp 5112 cdm 5114 cxr 10073 cle 10075 |
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-pre-lttri 10010 ax-pre-lttrn 10011 |
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-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-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 |
This theorem is referenced by: lefld 17226 letsr 17227 letopon 21009 leordtval2 21016 leordtval 21017 iccordt 21018 ordtrestixx 21026 icopnfhmeo 22742 iccpnfhmeo 22744 xrhmeo 22745 xrmulc1cn 29976 xrge0iifhmeo 29982 |
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