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