Which are the restrictions of the rule of Universal Generalisation(UG)?
1.There are no restriction on UG.
2.An UG must not be done to an individual constant.
3.An UG cannot be done to a variable under an assumption.
4.An UG must not be done on a quasi variable in a line that is justified by Existential Instantiation ( EI ).
A1
B2, 3
C2, 3, 4
D3, 4
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