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Mirrors > Home > ILE Home > Th. List > mpoeq123i | Unicode version |
Description: An equality inference for the maps-to notation. (Contributed by NM, 15-Jul-2013.) |
Ref | Expression |
---|---|
mpoeq123i.1 | |
mpoeq123i.2 | |
mpoeq123i.3 |
Ref | Expression |
---|---|
mpoeq123i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpoeq123i.1 | . . . 4 | |
2 | 1 | a1i 9 | . . 3 |
3 | mpoeq123i.2 | . . . 4 | |
4 | 3 | a1i 9 | . . 3 |
5 | mpoeq123i.3 | . . . 4 | |
6 | 5 | a1i 9 | . . 3 |
7 | 2, 4, 6 | mpoeq123dv 5833 | . 2 |
8 | 7 | mptru 1340 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1331 wtru 1332 cmpo 5776 |
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-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-11 1484 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-oprab 5778 df-mpo 5779 |
This theorem is referenced by: ofmres 6034 |
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