The Contrapositive

This post is part of a four-part series on logical reversal. The truth may lie on the other side or in the other direction, but there is more than one way to reverse a sentence: obverting, converting, inverting, and contraposing are four ways. I know very few young people, but it seems to me that […]

The Inverse

This post is part of a four-part series on logical reversal. The truth may lie on the other side or in the other direction, but there is more than one way to reverse a sentence: obverting, converting, inverting, and contraposing are four ways. George: […] It became very clear to me sitting out there today, […]

The Converse

This post is part of a four-part series on logical reversal. The truth may lie on the other side or in the other direction, but there is more than one way to reverse a sentence: obverting, converting, inverting, and contraposing are four ways. Down, down, down. There was nothing else to do, so Alice soon […]

The Obverse

This post is part of a four-part series on logical reversal. The truth may lie on the other side or in the other direction, but there is more than one way to reverse a sentence: obverting, converting, inverting, and contraposing are four ways. Two Jews meet in a railway carriage at a station in Galicia. […]

What does “Cheers” mean in Canada?

“Cheers!” can be used while toasting, where it is equivalent to Salud! Down the hatch! Santé! Indeed it is, me old cock, and long may your big jib draw! etc. But there is another use, purportedly equivalent to thank you “when giving or receiving something”. Wait. When giving? Who says thank you when giving something? […]