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Posted: **Thu May 05, 2022 7:37 pm**

: Part Vi Proofs In Predicate Logic Show That Each Of The Following Arguments Is Valid By Constructing A Proof 1 X A 1 (18.94 KiB) Viewed 34 times

Part VI. Proofs in Predicate Logic. Show that each of the following arguments is valid by constructing a proof. 1. (x)(AxBx) (3x)Ax (3x)Bx 2. (x)(Ex Px) (x)(Px Tx) (x)(Ex > Tx) 3. ~(3x)[~Bx (~Cx • Dx)] . ~(x)(Dx > Cx) (3x)(Dx • Bx) 4. (x)[(GxVHx)DIx] (x)Ix (x)Tx (x)Gx (x)Tx