# Question: construct a proof to show that the following is true...

###### Question details

Construct a proof to show that the following is true. Use direct proofs, conditional proofs or RAA

(x)(Cax --> Dxb), (∃x)Dxb --> (∃y)Dby ∴ (∃x)Cax --> (∃y)Dby

Construct a proof to show that the following is true. Use direct proofs, conditional proofs or RAA

(x)(Cax --> Dxb), (∃x)Dxb --> (∃y)Dby ∴ (∃x)Cax --> (∃y)Dby