Question: Construct a truth-tree for this argument in order to determine if it provides a counterexample to the argument. (PR) (QR) (PR) Rules -D &D &D

Construct a truth-tree for this argument in order to determine if it provides a counterexample to the argument.

(PR)
(QR)
(PR)

Rules -D &D &D VD -VD D D D D VDVD 3D 3D Clear Apply (PVR) Analysis (Q+ R) The tree must be constructed before it can be analysed. -( PVR) Rules -D &D &D VD -VD D D D D VDVD 3D 3D Clear Apply (PVR) Analysis (Q+ R) The tree must be constructed before it can be analysed. -( PVR)

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