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Mirrors > Home > MPE Home > Th. List > df-ioo | Structured version Visualization version Unicode version |
Description: Define the set of open intervals of extended reals. (Contributed by NM, 24-Dec-2006.) |
Ref | Expression |
---|---|
df-ioo |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cioo 12175 | . 2 | |
2 | vx | . . 3 | |
3 | vy | . . 3 | |
4 | cxr 10073 | . . 3 | |
5 | 2 | cv 1482 | . . . . . 6 |
6 | vz | . . . . . . 7 | |
7 | 6 | cv 1482 | . . . . . 6 |
8 | clt 10074 | . . . . . 6 | |
9 | 5, 7, 8 | wbr 4653 | . . . . 5 |
10 | 3 | cv 1482 | . . . . . 6 |
11 | 7, 10, 8 | wbr 4653 | . . . . 5 |
12 | 9, 11 | wa 384 | . . . 4 |
13 | 12, 6, 4 | crab 2916 | . . 3 |
14 | 2, 3, 4, 4, 13 | cmpt2 6652 | . 2 |
15 | 1, 14 | wceq 1483 | 1 |
Colors of variables: wff setvar class |
This definition is referenced by: iooex 12198 iooval 12199 ndmioo 12202 elioo3g 12204 iooin 12209 iooss1 12210 iooss2 12211 elioo1 12215 iccssioo 12242 ioossicc 12259 ioossico 12262 iocssioo 12263 icossioo 12264 ioossioo 12265 ioof 12271 snunioo 12298 ioodisj 12302 ioojoin 12303 ioopnfsup 12663 leordtval 21017 icopnfcld 22571 iocmnfcld 22572 bndth 22757 ioombl 23333 ioorf 23341 ioorinv2 23343 ismbf3d 23421 dvfsumrlimge0 23793 dvfsumrlim2 23795 tanord1 24283 dvloglem 24394 rlimcnp 24692 rlimcnp2 24693 dchrisum0lem2a 25206 pnt 25303 joiniooico 29536 tpr2rico 29958 asindmre 33495 dvasin 33496 ioounsn 37795 ioossioc 39713 snunioo2 39731 snunioo1 39738 ioossioobi 39743 |
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