Provide a Conterexample in a Finite Domain to Each Given

question 67

Essay

provide a conterexample in a finite domain to each given invalid argument.
-1. (?x)[Px ? (?y)Qxy]
2. (?x)[(?y)Qxy ? (?y)Rxy]
3. Pa / Rab

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Definitions:

Allergic

Having an adverse reaction of the immune system to a substance that is harmless to most people.

Insomnia

A sleep disorder characterized by difficulty falling asleep, staying asleep, or experiencing restful sleep.

Experiencing Insomnia

The condition of regularly having difficulty falling asleep or staying asleep, leading to poor sleep quality or quantity.

Rested

The state of having restored energy or fatigue relief after a period of rest or sleep.