2. Complete the axiomatization by using and add a rule of universal generalization a) (∀1∀1)∀xA→A(y/x)∀xA→A(y/x), provid
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2. Complete the axiomatization by using and add a rule of universal generalization a) (∀1∀1)∀xA→A(y/x)∀xA→A(y/x), provid
2. Complete the axiomatization by using and add a rule of universal generalization a) (∀1∀1)∀xA→A(y/x)∀xA→A(y/x), provided yx is free for xx in AA [2 marks] b) (∀2∀2)∀x(A→B)→(A→∀xB)∀x(A→B)→(A→∀xB), provided xx does not occur free in A [6 marks ]
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