Humans are lazy when thinking about infinity. Usually it doesn’t matter, but sometimes, our imprecision comes with big philosophical implications. Profound logical errors permeate mathematics – in calculus and set theory in particular – due to an inaccurate conception of infinity.
Category: Logic and Epistemology
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Faith and Reason
“You’ve just got to have faith.”
I heard this innumerable times growing up. Usually after a heated debate about religious ideas. Faith is a central part of many religious traditions, and it certainly was in my evangelical community. I have a problem with faith, to be honest. In the conversations I’ve had throughout the years, I’ve noticed that many people use “faith” as an excuse for intellectual laziness.
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Steak and Certainty
A few years ago, my mind was blown. I was thinking about food. Steak, in particular. It was well past midnight, and I was lying in bed, worrying about an idea. I’d been on a quest to find absolute certainty. And I found it; logical necessity provided a bedrock for my worldview. I had certain knowledge about a number things, all of which were ultimately grounded in logical necessity.
And then it happened: I thought of a distressing sentence which ultimately forced me to expand my worldview:
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The Sliding Scale of Certainty
A central question in philosophy is “Can we know anything with perfect certainty?” Throughout history, philosophers have disagreed on the answer. One popular response is to say “We can’t ever be completely certain – there’s a sliding scale of certainty. Things aren’t black and white, but rather, different shades of gray.” The scale goes from not-so-sure to very-sure-but-not-completely.