This principle of treating everyone equally unless there is a morally relevant reason for treating them differently. is called:
According to the given question, we are asked to name the principle which ensures that everyone is treated equally, unless there is a morally relevant reason for treating them differently
As a result of this, we can see that equity is the principle of a person being fair and impartial in his dealings with each other as it ensures fairness among everyone, unless there is a valid reason for treating someone differently.
Therefore, the correct answer is Equity.
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