It's a fundamental contradiction that, for the chancellor, conjured up a wonderfully generous handout.

It would be in fundamental contradiction to our ancient liberties and freedom of expression.

There was a fundamental contradiction in his masculine bravado.

With perfect economy it conveys the fundamental contradiction within your letter - the dichotomy between the institutionalising of a relationship and the typical behaviour that calls its very essence into question.

This question had first attracted him to the utilitarians, and he found at the core of their answer a fundamental contradiction.