THE invention of the decimal notation, which involves the use of zero and the assignment of local value to digits, made such an immense alteration in the character of arithmetical calculations that it ...
The first order theory of the arithmetical degrees with arithmetical jump is not elementarily equivalent to the first order theory of the Turing degrees with jump. Journal Information This monthly ...
The journal aims to stimulate reflection on mathematics education at all levels, and promote study of its practices and its theories: to generate productive discussion; to encourage enquiry and ...
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