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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 6984 | . . 3 |
3 | 2 | supmoti 6958 | . 2 |
4 | vex 2729 | . . . . . . 7 | |
5 | vex 2729 | . . . . . . 7 | |
6 | 4, 5 | brcnv 4787 | . . . . . 6 |
7 | 6 | notbii 658 | . . . . 5 |
8 | 7 | ralbii 2472 | . . . 4 |
9 | 5, 4 | brcnv 4787 | . . . . . 6 |
10 | vex 2729 | . . . . . . . 8 | |
11 | 5, 10 | brcnv 4787 | . . . . . . 7 |
12 | 11 | rexbii 2473 | . . . . . 6 |
13 | 9, 12 | imbi12i 238 | . . . . 5 |
14 | 13 | ralbii 2472 | . . . 4 |
15 | 8, 14 | anbi12i 456 | . . 3 |
16 | 15 | rmobii 2656 | . 2 |
17 | 3, 16 | sylib 121 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 wcel 2136 wral 2444 wrex 2445 wrmo 2447 class class class wbr 3982 ccnv 4603 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-rmo 2452 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-br 3983 df-opab 4044 df-cnv 4612 |
This theorem is referenced by: infeuti 6994 |
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