The 47th Proposition of Euclid
By JC Collins
PROP. XLVII. The human mind has an adequate knowledge of the eternal and infinite essence of God.
– The Ethics, or Ethica Ordine Geometrico Demonstrata, by Benedict de Spinoza, 1677
When I was a child my father taught me how to square walls and build things. Not mastering the square part I built things anyway.
One of the most widely read works of the ancient world was called Elements, a series of 13 books written by the Greek mathematician Euclid. The work was completed in Alexandria in 300BC, and covered the major mathematical and geometric concepts of the time. One of the problems, or propositions, is number 47, and covers the Pythagorean Theorem which postulates the hypotenuse of a right triangle.
The 47th Proposition of Euclid is important in the masonic mysteries as it is the method by which the true square…
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