[A.] Fill in the blanks. Prove ANBCAUB No. Statement Reason 1. If r EAN B Given 2. I€ A and rE B 1. 3. 2. IE A or r E B Hence, r € AUB 4. 3. 5. 4. By hypothetical syllogism 6.

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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Prove A ∩ B ⊆ A ∪ B

[A.] Fill in the blanks.
Prove ANBCAUB
No.
Statement
Reason
If r EAN B
IE A and r € B
1.
Given
2.
1.
IE A
3.
4.
3.
2.
IE A or r EB
Hence, r € AUB
4.
5.
By hypothetical syllogism
6.
Transcribed Image Text:[A.] Fill in the blanks. Prove ANBCAUB No. Statement Reason If r EAN B IE A and r € B 1. Given 2. 1. IE A 3. 4. 3. 2. IE A or r EB Hence, r € AUB 4. 5. By hypothetical syllogism 6.
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