Tag Archives: mathematics

William Tanner and the Peterloo Massacre

On the Sixteenth of August, 1819, a crowd of some 80,000 gathered on St. Peter’s field in Manchester. Their main purpose — besides enjoying the uncommonly good weather — was to demand reform of the rigid parliamentary rules that disenfranchised … Continue reading

Posted in History, Manchester, Mathematics and Logic, Science and Medicine, The Lost Journals of William Tanner | Tagged , , , , , , | 1 Comment

A shallow thought about depth

Late at night, while I was browsing through my favourite blogs, it occurred to me that blogging is a shallow activity. Blog thoughts, like this one, scrape the surface of subjects that could be investigated in depth. Even a blogger … Continue reading

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Stuck? Try the world’s oldest solvent.

In most professions, most of the time,the job goes as smoothly as driving a bus. Take medicine, for example. Patient presents with a problem; doctor performs standard diagnosis and consults that big reference book that years of training and experience … Continue reading

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Five Regular Solids, Part Three

Parts One and Two of this series of blogs established the following facts about solids that have F flat faces, E straight edges and V vertices. 1. The second fact concerns those solids that are regular. By regular we mean … Continue reading

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Five Regular Solids, Part Two

We have counted the number of faces (F), the number of vertices (V) and the number of edges (E) on five regular solids. These solids are regular because the number of edges bounding each face (m) is the same for … Continue reading

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Mathematics and God?

A couple of days ago, I commented on blogger 8411c’s intriguing argument that the existence of elementary mathematics proves the existence of God. You can read 8411c’s post here. While I still don’t buy 8411c’s argument, I  can appreciate where … Continue reading

Posted in Atheism and Religion, Mathematics and Logic | Tagged , , , , | 2 Comments

Another boy? A logical puzzle.

Here’s something to stir your neurons. You meet a woman who tells you that she has two children and that one of them is a boy. What is the probability that the other child is also a boy? Assume that … Continue reading

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