Credit Weight: 0.5 Prerequisite(s): MHF4U or permission of the Chair of the Department Description: An introduction to proofs and to writing mathematics. Logic; propositional calculus; quantifiers, rules of inference, sets; set operations; cardinality and countability; relations, including partial orders and equivalence relations; functions; proof techniques such as direct proof; indirect proof; contradiction, and mathematical induction; basic properties of the integers. Offering: 0-0; 3-1 Notes: Students who have previous credit in Mathematics 1281 may not take Mathematics 1271/1272 for credit.
