Directions: Determine whether the conclucion drawn from the given statements is valid or invalid.
Justify your answer.
1. All kids are restless. Billy is a kid.
Conclusion: Billy is restless.
2. Every endangered species should be saved from total annihilation. The save-the-earth
Foundation is making an effort to save the white tigers.
Conclusion: White tigers are endangered species.
3. If Rosa fails to read Noli Me Tangere, she will not pass the test. Rosa passed the test.
Conclusion: Rosa read Noli Me Tangere.
4. Most students are unmindful of their responsibilities. Kiko is irresponsible.
Conclusion: Kiko is a student.
5. All squares have equal sides. Polygon LIED has equal sides.
Conclusion: LIED is not a square.
6. Security guards are night beings. Night beings are watchful beings.
Conclusion: Security guards are watchful beings.
7. Collinear points lie on the same line. Points A, B and C are coplanar points.
Conclusion: The line conatining A, B and C lie on the same plane.
8. Peace is immeasurable. Immeasurable things are priceless. Unity is priceless.
Conclusion: Unity is peace.
9. Geomettry is not a nonsense subject. Nonsense subjects are boring. Boring subjects cause
stress.
Conclusion: Geometry does not cause stress.
10. Hannah dislikes teachers who talk to the blackboard. Teachers who talk to the blackboard lack
self-confidence. Mrs. Makahiya does not talk to the blackboard.
Conclusion: Hannah likes Mrs. Makahiya.
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