Simul. inequalities -> interval solution Q1a (2021) Q1a (2022) Q1b (2023)
Mapping -> injective, surjective? Q3ci, ii, iii (2021) Q3ci, ii, iii (2022) Q3bi, ii, iii (2023)
Prove an equivalence -> visualise classes (and list elements) Q1b (2021) Q1b (2022) Q1ci, ii, iii (2023)
Prove an order relation -> visualise subset 4bi, ii (2021)
Bijective mapping -> same cardinality demonstration 4c (2021) 3c (2022)
Create truth tables -> categorise tauts/contras Q2ai, ii (2021) Q2ai, ii (2022) Q2bi, ii (2023)
Evaluate logical statements -> true or false 4bi, ii, iii (2023)
Prove by contradiction -> Cantor diagonal argument Q2c (2021) Q2c (2022)
Prove by contradiction -> number is irrational Q4b (2022) Q3c (2023)
Prove by induction -> sequence Q3a (2021) Q3a (2022) Q3a (2023)
Prove by induction -> inequality Q4a (2021) Q4a (2022) Q1a (2023)
Prove by induction -> divisibility Q2a (2023)
Properties of set operations -> Expression simplification Q3b (2021) Q3b (2022) Q4a (2023)