The coproduct is a structure constructed from several similar structures, equipped with appropriate inclusion maps, which generalises the disjoint union of sets, of topological spaces and the free product of groups.

Donald Trump’s habit of projecting his own failings onto his adversaries reached a new level of absurdity on Labor Day, when he attacked the Democratic ticket of Joe Biden and Kamala Harris for “reckless anti-vaccine rhetoric” and accused them of a position that “undermines science.”

Men would prove wolves and vipers; tigers and dragons mixt in one and the same person to each other. O bless God for this great gift of Princes and Judges to rule the wicked and enormous world and to sway the scepter of righteousness […]

These were not the Cowboys who were waffled, 45–14, here at mid-season. They came prepared to play a championship football game, with an ultra-conservative game plan suited to the horrendous turf conditions, and came close to pulling it off …