Question: Check if the following logical consequence is valid. Facts: 1. pr forall X (D (x) rightarrow H (x)) 2. forall X forall y (I (x,

Check if the following logical consequence is valid. Facts: 1. pr

Check if the following logical consequence is valid. Facts: 1. pr forall X (D (x) rightarrow H (x)) 2. forall X forall y (I (x, y) C (y) rightarrow exists z (I (x, z) M (z))) 3. forall X (L (x) rightarrow exists y (I (x, y) H (y))) 4. exists X (I (c, x) (C (x) downarrowhead D (x))) 5. L(c) rightarrow exists z (I (c, z) M (z))

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