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Theorem 2eumo 2367
Description: Double quantification with existential uniqueness and "at most one." (Contributed by NM, 3-Dec-2001.)
Assertion
Ref Expression
2eumo

Proof of Theorem 2eumo
StepHypRef Expression
1 euimmo 2343 . 2
2 eumo 2313 . 2
31, 2mpg 1620 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  E!weu 2282  E*wmo 2283
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631  ax-5 1704  ax-6 1747  ax-7 1790  ax-10 1837  ax-12 1854
This theorem depends on definitions:  df-bi 185  df-an 371  df-ex 1613  df-nf 1617  df-eu 2286  df-mo 2287
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