Those senators were not acting in derogation of the Senate rules or precedents.

CNN: Transcript: White House Counsel Ruff's opening statement

To do so would be a derogation of our constitutional duty.

CNN: Transcript: Opening statement of Rep. Nadler

No derogation or defamation of Nike company, Nike brand or Nike products.

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And underlying this confusion is a further derogation - that of an ideal both men shared, which was that the municipalities of the future should utilise increasing land-values to improve the collective lot.

BBC: A Point of View: Staring at the Shard

Any further application of the derogation will be "proportionate and directly relevant", Mr Davies said.

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