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Mirrors > Home > ILE Home > Th. List > 2eumo | Unicode version |
Description: Double quantification with existential uniqueness and "at most one." (Contributed by NM, 3-Dec-2001.) |
Ref | Expression |
---|---|
2eumo |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | euimmo 2086 | . 2 | |
2 | eumo 2051 | . 2 | |
3 | 1, 2 | mpg 1444 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 weu 2019 wmo 2020 |
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-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 |
This theorem depends on definitions: df-bi 116 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 |
This theorem is referenced by: (None) |
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