I tried browsing and cant fnd the command for the double bracket symbol found below:
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\llbracket ...rrbracketinsrmaryrdor\ldbrack ...rdbrackinmathbx. However, the correct notation is\floor ... rfloor. This one is usually to denote an integers interval. – Bernard Sep 02 '19 at 13:30mathabxwithout replacing the whole set of maths fonts. – Bernard Sep 02 '19 at 14:33