These concepts are expressed by sum types, specifically the binary sum, which offers a choice of two things, and the nullary sum, which offers a choice of no things.
I did not feel sea-sick at all. But as the days passed, I became fidgety. I felt shy even in speaking to the steward. […]
But purging is more proper if it may bee done without danger, as it may in the fourth, fift and ſixt month of pregnation: for a child in the wombe is compared to an Apple on the tree.
publicly announce something
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