Bia and Zoey discuss some of the key mathematical concepts in voting, focusing on political elections in some Western countries, as well as Brexit. Introduction 0:15 – Introduction on the voting system in the UK, with an example 4:27 – Condorcet’s paradox 6:00 – The French system 6:44 – The Australian system – Preferential/Alternative voting 7:42 – What defines a good voting system? 9:43 – How do we balance a good voting system with one which everyone understands Arrow’s Impossibility Theorem & Instagram poll 11:40 – Arrow’s Impossibility Theorem 13:46 – Independent voting systems where Arrow’s theorem doesn’t apply. 15:00 – Instagram poll discussion: Tactical voting vs Voting for who you want 17:31 – Protest voting vs voting for who you want 20:20 – When it would be worth strategically voting “mathematically” Brexit 21:22 – Zoey exposing Bia as a “Remoaner” 22:50 – How Bia think the referendum should have been done. General discussion 24:05 – Have you ever not voted? 26:12 – Should 16 year olds be allowed to vote? 27:29 – Accessibility in a voting system The future of voting 27:54 – The future of voting 28:52 – The issues with a voting system which takes too long (NP-hard/ NP-complete) 30:00 – Dodgson’s voting method (Lewis Carroll = Charles Dodgson) 32:52 – Final thoughts 80% of voters are strategic: "Counting Votes Right: Strategic Voters versus Strategic Parties, Filippo Mezzanotti and Giovanni Reggiani" http://economics.mit.edu/files/11177