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III. Determine the validity of the following arguments using the long truth-table method. : (Note: Just write "VALID" or "INVALID" on the space provided.) 1. [(L v ~M) - (L→→N)] → (MN) 2. ([C(A-B)]--A) → C 3. [(PQ) (PQ)] → (PQ) 4. [(-P+Q) (QR)] → (PR)

III. Determine the validity of the following arguments using the long truth-table method. : (Note: Just write "VALID" or "INVALID" on the space provided.) 1. [(L v ~M) - (L→→N)] → (MN) 2. ([C(A-B)]--A) → C 3. [(PQ) (PQ)] → (PQ) 4. [(-P+Q) (QR)] → (PR)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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III. Determine the validity of the following arguments using the long truth-table method. .) (Note: Just write "VALID" or "INVALID" on the space provided.) 1. [(L v-M) · (L→N)] → (MN) 2. ([C(A B)] -A) → ~C 3. [(PQ) (~P~Q)] → (PvQ) .. 4. [(-P+Q) (QR)] → (PR)
Transcribed Image Text:III. Determine the validity of the following arguments using the long truth-table method. .) (Note: Just write "VALID" or "INVALID" on the space provided.) 1. [(L v-M) · (L→N)] → (MN) 2. ([C(A B)] -A) → ~C 3. [(PQ) (~P~Q)] → (PvQ) .. 4. [(-P+Q) (QR)] → (PR)
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