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Mirrors > Home > ILE Home > Th. List > eumo | Unicode version |
Description: Existential uniqueness implies "at most one." (Contributed by NM, 23-Mar-1995.) (Proof rewritten by Jim Kingdon, 27-May-2018.) |
Ref | Expression |
---|---|
eumo |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1 5 | . 2 | |
2 | df-mo 1945 | . 2 | |
3 | 1, 2 | sylibr 132 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wex 1421 weu 1941 wmo 1942 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 |
This theorem depends on definitions: df-bi 115 df-mo 1945 |
This theorem is referenced by: eumoi 1974 eu5 1988 euimmo 2008 moaneu 2017 eupick 2020 2eumo 2029 moeq3dc 2768 nfunsn 5228 fnoprabg 5622 |
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