## Mathematicians Of The Day

### 5th July

On this day in 1687, Isaac Newton's Principia was published.

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#### Quotation of the day

##### From René Baire
Generally speaking, in the framework of ideas that here concern us, every problem in the theory of functions leads to certain questions in the theory of sets, and it is to the degree that these latter questions are resolved, that it is possible to solve the given problem more or less completely.