But out of sight is out of mind. And that[…]means that many old sewers have been neglected and are in dire need of repair. If that repair does not come in time, the result is noxious and potentially hazardous.
Define maps G:A→B and F:B→A by G(a)=y!∈!Y|∀x!∈!ax𝜌y and F(b)=x!∈!X|∀y!∈!bx𝜌y. Then (F,G) is called a Galois connection of the first kind.
[…] I waded through with some difficulty, and one of the footmen wiped me as clean as he could with his handkerchief, for I was filthily bemired; and my nurse confined me to my box, till we returned home […]
Jane mentioned a number of braggables in her college application, including her term as senior class president.
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