• Robbert Krebbers's avatar
    Simplify CMRA axioms. · aa947529
    Robbert Krebbers authored
    I have simplified the following CMRA axioms:
    
      cmra_unit_preservingN n x y : x ≼{n} y → unit x ≼{n} unit y;
      cmra_op_minus n x y : x ≼{n} y → x ⋅ y ⩪ x ≡{n}≡ y;
    
    By dropping off the step-index, so into:
    
      cmra_unit_preservingN x y : x ≼ y → unit x ≼ unit y;
      cmra_op_minus x y : x ≼ y → x ⋅ y ⩪ x ≡ y;
    
    The old axioms can be derived.
    aa947529
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