Mathematics

In recent months we have had several forum threads, which naturally tend to throw up onward topics worth headlining. Here, I will headline some observations on implication logic in deductive and in inductive reasoning. However, first, the core of the logic of implication. Algebraically, p => q is analysed as ~[p AND ~q]. Interpreted, for whatever reason, p being so is sufficient for q to also be so. This compound proposition does NOT assert that p, only that p is sufficient for q. Similarly, q is NECESSARY for p, i.e. if q can be false and p true, q is not implied by p. As a bare structure, this is termed material implication, fleshing out the why of the implication Read More ›

Daily Mail reports on a class assignment for seven year olds that happened to be set for the daughter of a Mathematics Lecturer at Oxford. Maths lecturer is left baffled by his seven-year-old daughter’s geometry homework and turns to Twitter for help – so can YOU work out if it’s true or false? Dr Kit Yates shares his seven-year-old daughter’s maths homework to Twitter The question asked students whether a semi-circle had ‘two right angles’ or not The maths lecturer, from Oxford, admitted that he was stumped by the problem  People were left baffled by the question and came up with conflicting answers  By Kate Dennett For Mailonline Published: 17:40 GMT, 25 February 2021 | Updated: 17:40 GMT, 25 February Read More ›

That’s what they say, anyway, at Wolfram Math: “The human body has a mass that, more or less, is halfway between the mass of the proton (~1.672×10 ² kg) and the mass of the Sun (~1.988×10³ kg). A value very close to the mass of an average human body is the geometric mean of those two values”