Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
The positive integers (whole numbers) 1, 2, 3, etc., and sometimes zero as well.
- ‘Cantor proves that the algebraic real numbers are in one-one correspondence with the natural numbers in the following way.’
- ‘In contrast, Fermat had managed to show that you couldn't find natural numbers with a + b = c, using a method he called steepest descent.’
- ‘This means that the natural numbers, the integers, and the even integers all have the ‘same number’ of elements.’
- ‘In particular he showed that if any countable set has an arithmetic where the elements have unique decompositions into primes, then it is isomorphic to the arithmetic of the natural numbers.’
- ‘In 1889 Peano published his famous axioms, called Peano axioms, which defined the natural numbers in terms of sets.’
- ‘For what they thought they had done was establish a deep result about how the primes are distributed among the natural numbers.’
We take a look at several popular, though confusing, punctuation marks.
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.