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Mirrors > Home > ILE Home > Th. List > infmoti | Unicode version |
Description: Any class has at most one infimum in (where is interpreted as 'less than'). (Contributed by Jim Kingdon, 18-Dec-2021.) |
Ref | Expression |
---|---|
infmoti.ti |
Ref | Expression |
---|---|
infmoti |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | infmoti.ti | . . . 4 | |
2 | 1 | cnvti 6432 | . . 3 |
3 | 2 | supmoti 6406 | . 2 |
4 | vex 2604 | . . . . . . 7 | |
5 | vex 2604 | . . . . . . 7 | |
6 | 4, 5 | brcnv 4536 | . . . . . 6 |
7 | 6 | notbii 626 | . . . . 5 |
8 | 7 | ralbii 2372 | . . . 4 |
9 | 5, 4 | brcnv 4536 | . . . . . 6 |
10 | vex 2604 | . . . . . . . 8 | |
11 | 5, 10 | brcnv 4536 | . . . . . . 7 |
12 | 11 | rexbii 2373 | . . . . . 6 |
13 | 9, 12 | imbi12i 237 | . . . . 5 |
14 | 13 | ralbii 2372 | . . . 4 |
15 | 8, 14 | anbi12i 447 | . . 3 |
16 | 15 | rmobii 2544 | . 2 |
17 | 3, 16 | sylib 120 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 102 wb 103 wcel 1433 wral 2348 wrex 2349 wrmo 2351 class class class wbr 3785 ccnv 4362 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-rmo 2356 df-v 2603 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-br 3786 df-opab 3840 df-cnv 4371 |
This theorem is referenced by: infeuti 6442 |
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