Mathematical operators and symbols in Unicode 1970-01-01
Hansen's problem 1970-01-01
MathML 1970-01-01
Semicomputable function 1970-01-01
Harnack's principle 1970-01-01
Simplification of disjunctive antecedents 1970-01-01
Solèr's theorem 1970-01-01
Superposition calculus 1970-01-01
Nabla symbol 1970-01-01
Notre Dame Journal of Formal Logic 1970-01-01
Tilde 1970-01-01
Ordered set operators 1970-01-01
Tombstone (typography) 1970-01-01
Triangle problems 1970-01-01
Truth function 1970-01-01
Truth-value semantics 1970-01-01
Commercial minus sign 1970-01-01
Homotopy principle 1970-01-01
Hypostatic abstraction 1970-01-01
John Strain (mathematician) 1970-01-01