Maths education seminar: Lara Alcock on Reasoning about Mathematical ‘If-Then’ Statements

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Speaker: Prof Lara Alcock (Loughborough University) Title: Reasoning about Mathematical ‘If-Then’ Statements Abstract: Mathematics routinely uses ‘if-then’ statements to express theorems and conjectures, stipulating that a proposition ‘if A then B’ is false only if A is true and B is false. Everyday language routinely uses ‘if-then’ statements too, but there interpretations depend upon content and context. What does this mean for mathematics students? How do they interpret and reason with the statements they meet in undergraduate mathematics? This talk will shed light on this question, presenting empirical data from studies involving mathematical versions of conditional inference tasks used in cognitive psychology. It will also provide attendees with an opportunity to reflect upon whether professional mathematicians’ reasoning is always as ‘logical’ as we might think, and on how logical reasoning develops with mathematical expertise.