Sir, – Bobby McDonagh is rightly concerned about the UK's understanding of sovereignty ("Someone needs to explain sovereignty to Boris Johnson before it is too late", Opinion & Analysis, November 23rd).
The UK White Paper on Brexit (February 2017) states: “Whilst Parliament has remained sovereign throughout our membership of the EU, it has not always felt like that”.
Feelings are notoriously difficult to explain and quantify. Facts are much easier. – Yours, etc,
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McAULEY,
Belfast.