The Following Inference Is an Application of Which Rule$\exists$ X)~Fx
A)quantifier Negation
B)universal Instantiation
C)existential Generalization
D)existential Instantiation
E)universal

Question

The Following Inference Is an Application of Which Rule$\exists$ X)~Fx 
A)quantifier Negation 
B)universal Instantiation 
C)existential Generalization 
D)existential Instantiation 
E)universal

Examlex · Accepted Answer

The Answer of The Following Inference Is an Application of Which Rule$\exists$ X)~Fx 
A)quantifier Negation 
B)universal Instantiation 
C)existential Generalization 
D)existential Instantiation 
E)universal

The Following Inference Is an Application of Which Rule?
$\exists$

Definitions:

The Following Inference Is an Application of Which Rule? ∃\exists∃

Definitions:

The Following Inference Is an Application of Which Rule?
$\exists$