Logic and critical thinking Individual Assignment
1. I think Empirical knowledge is the most reliable source of knowledge, because most people like
myself believe in what they see, hear and experience rather than something they are told is true
and empirical knowledge is used to multiple form hypothesis and is used to increase human
knowledge.
2. a.
Premise:
Conclusion:
b.
An argument requires at least two declarative sentences or propositions known as the
"premises", along with another declarative sentence, known as the conclusion.
3. a.
b.
1.Stars lives up to 10 billion years.
This star is 5 billion years.
Therefore, this star will explode in 5 billion years.
2. All cats are mammals.
No mammals are animals with scales.
Therefore, no cats are animals with scales.
1. Most birds can fly.
Crows are birds.
Therefore, Crows can probably fly.
2. Some human beings love pets.
Ayele is a human being.
Therefore, Ayele might like pets.
4. a. Intentional meaning of pen: Is an object used for writing or drawing using ink.
Extensional meaning of pen: refers to all the types of pen for example red pen, blue pen, black
pen etc….
b. Intentional meaning of angel: a being that serves God as a messenger.
Extensional meaning of angel: empty extension.
Name – Eskel Eskinder ------------------ DBU1401205
Submitted to -
______________
Submitted date - ______________