Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
Conversion of a proposition from all A is B to all not-B is not-A.
- ‘By contraposition and the definition of the existential quantifier, the latter axiom is equivalent to x = x y (y = x).’
- ‘As a contraposition to the conclusions derived from the summation theorem, we have used similar mathematical tools to show that dominance is not an inevitable property of metabolic pathways.’
- ‘This means that form and content are not fully unified but retain a structure of abstract contraposition: the content is inscribed in the form while retaining much that cannot be grasped in it.’
Mid 16th century: from late Latin contrapositio(n-), from the verb contraponere, from contra- ‘against’ + ponere ‘to place’.
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.