fact: Definition addℝ_shift := λ"P" λ"f" "P" @ (λ"εx" λ"ε" λ"qx" λ"q" λ"X" λ"YZ" "YZ" @ (λ"εy" λ"εz" λ"qy" λ"qz" λ"Y" λ"Z" ℚadd @ "qx" @ "qy" @ (ℚadd @ "εx" @ "εy" @ "f" @ "εz") @ "qz" @ (λ"h" "h" @ "εx" @ "εy" @ "qx" @ "qy" @ "X" @ "Y") @ "Z")).
imports: QArith Psatz ClassicalRealizability.Kbase ClassicalRealizability.Rationals ClassicalRealizability.Real_definitions ClassicalRealizability.Real_relations