<math>\forall A\exists B</math> B<math>\subseteq</math> A = <math>\exists B\forall A</math> B<math>\subseteq</math> A
User talk:Steeefan
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2401:4900:1F2A:8FFF:0:0:19A:5EFE • 1 month ago
Harsharose • 1 month ago
Harsharose • 1 month ago
2607:FB90:EAC3:85A9:897A:CA2C:7CC3:E11B • 2 months ago