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www.kaylainthecity.com | ||
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50by25.com
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| | | | I'm back from Kansas! Race report to come, but the short version is that it went fine and I finished right on my 4:20 pace. So after the race... I got home around 8:30pm, managed to again... | |
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ben.akrin.com
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myfirst5kandmore.com
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| | | | Just a 13 mile training run, right? Last Week - Sunday - As usual, I started the day at the gym... and it was raining! But the rain stopped and the sun came out... so up to the lake we went. For a change of pace, I decide on a hike... Then I spent the... | |
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xorshammer.com
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| | There are a number of applications of logic to ordinary mathematics, with the most coming from (I believe) model theory. One of the easiest and most striking that I know is called Ax's Theorem. Ax's Theorem: For all polynomial functions $latex f\colon \mathbb{C}^n\to \mathbb{C}^n$, if $latex f$ is injective, then $latex f$ is surjective. Very... |