write the argument using propositional wffs (use the statement letters shown). Then, using propositional logic,The crop is good, but there is not enough water. If there is a lot of rain or not a lot of sun, then there is enough water. Therefore, the crop is good and there is a lot of sun. C, W, R, S TABLE 1.14More Inference RulesFromCan DeriveName/Abbreviation for RuleP→Q, Q→RPVQ, P'P→R[Example 16]Hypothetical syllogism-hsQ [Exercise 25]Q' →P' [Exercise 26]Disjunctive syllogism–dsContraposition-contQ' → P'P→Q [Exercise 27]Contraposition-contPAP[Exercise 28]Self-reference-selfPVPP[Exercise 29]Self-reference-self(РЛО) —RP→(Q→R) [Exercise 30]Exportation-expQ [Exercise 31](PAQ) V (PAR) [Exercise 32](PVQ) A (P V R) [Exercise 33]P, P'Inconsistency-IncPA (QVR)Distributive-distPV (QAR)Distributive-dist

The crop is good but there is not enough water: C∧∼W If there is a lot of rain or not a lot of sun,…

Answered: TABLE 1.14 More Inference Rules From…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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write the argument using propositional wffs (use the statement letters shown). Then, using propositional logic,

The crop is good, but there is not enough water. If there is a lot of rain or not a lot of sun, then there is enough water. Therefore, the crop is good and there is a lot of sun. C, W, R, S

TABLE 1.14
More Inference Rules
From
Can Derive
Name/Abbreviation for Rule
P→Q, Q→R
PVQ, P'
P→R[Example 16]
Hypothetical syllogism-hs
Q [Exercise 25]
Q' →P' [Exercise 26]
Disjunctive syllogism–ds
Contraposition-cont
Q' → P'
P→Q [Exercise 27]
Contraposition-cont
PAP[Exercise 28]
Self-reference-self
PVP
P[Exercise 29]
Self-reference-self
(РЛО) —R
P→(Q→R) [Exercise 30]
Exportation-exp
Q [Exercise 31]
(PAQ) V (PAR) [Exercise 32]
(PVQ) A (P V R) [Exercise 33]
P, P'
Inconsistency-Inc
PA (QVR)
Distributive-dist
PV (QAR)
Distributive-dist

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