nPostednJune 27, 2013
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Todaynis NOT Augustus Caesar’s birthday AND Augustus DeMorgan’s birthday.
Todaynis NOT Augustus Caesar’s birthday AND Augustus DeMorgan’s birthday.n
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nWhatndo you think that means?
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nDoesnit mean:
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n itn may be either Caesar’s birthday or DeMorgan’s birthday,n but it is definitely not the birthday of both these guys…
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n itn is definitely neither guy’s birthday…
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nWell,naccording to the rules of logic created by DeMorgan, it means #1.nAugustus Caesar was born in September, and Augustus DeMorgan was bornnon this date in 1806. He was born in India to British parents.
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nHerenare DeMorgan’s laws:
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nNOTn(A AND B) = (NOTnA) OR (NOT B)
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nNOTn(A OR B) = (NOTnA) AND (NOT B)
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nThisnsort of logic may seem unimportant. You don’t use this stuff tonfigure out a budget that will allow you to save up for a Settlers ofnCatan expansion pack, or to fill out a Girl Scout Cookie form, or tonfigure out how much fabric you will need to create capes for thenJustice League of America. But this kind of logic is actually reallynimportant to all of us, every day, because it is used in computers.nOur digital circuits have AND, OR, and NOT “gates” that computernprogrammers manipulate as they create new apps and games.
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nFindnout more about digital logic gates in I Programmer.
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nFindnout more about AND and OR in Boolean searches here. Check outnthis other video if you are curious about NOT (or if younhappen to like pirates, ninjas, and cephalopods).
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nAlsonon this date:
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n“Happy Birthday to You” Day
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nBlind-and-deafnauthor and lecturer Helen Keller’s birthday
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nDjibouti’snIndependence Day
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nPlannahead:
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nChecknout my Pinterest pages on Junenholidays, historicalnanniversaries in June,nand Junenbirthdays.
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nAndnhere are my Pinterest pages on Julynholidays, historicalnanniversaries in July,nand Julynbirthdays.
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