A directory of useful objects found on the web for teaching Maths.
Sub-topics: ACMSM024 use implication, converse, equivalence, negation, contrapositive (0) ACMSM025 use proof by contradiction (1) ACMSM026 use the symbols for implication (⇒⇒), equivalence (⟺⟺), and equality (==) (0) ACMSM027 use the quantifiers ‘for all’ and ‘there exists’ (0) ACMSM028 use examples and counter-examples. (0)