📖 Function A function $f: A \\to B$ assigns to each element of $A$ exactly one element of $B$. From: intro-discrete Learn more:
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💡 Proposition III.14 In a circle equal straight lines are equally distant from the centre, and those which are equally distant from the centre are equal to one another. From: Euclid's Elements Learn more:
Euclid's Elements | Math Academy
The foundational text of Western mathematics. Study all 13 books of Euclid
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📖 Entrepreneurial Loss Arises from incorrect forecasts; result of misallocating resources. Penalty for poor judgment about future consumer wants. From: Man, Economy, and State Learn more:
Man, Economy, and State | Math Academy
Murray Rothbard
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📖 Pure Rate of Interest The premium on present goods over future goods, determined by time preference. Interest is not the "price of money" but the price of time. From: Man, Economy, and State Learn more:
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Murray Rothbard
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💡 The Esoteric Interpretation of Genesis The seven "days" of creation in Genesis do not describe the physical formation of the Earth in seven literal days but the seven great stages of cosmic evolution. The first "day" (separation of light from darkness) describes the Saturn stage. The second "day" (separation of waters above from waters below) describes the Sun stage. Each subsequent day corresponds to a further stage of densificatio... From: steiner-GA90a Learn more:
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Interactive courses covering the mathematics that powers modern technology, from foundational algebra to the cryptography securing the internet.