Unit 2 Tips, trick, traps
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Parenthesis or brackets should be used for each of the operators in a symbolized compound statement except
- a. the negation symbol
- b. the main operator
The main operator of a compound statement is determined by
the meaning of the sentence and the punctuation marks (if any) in the sentence
The ordinary English operator "neither _nor_ " is
- a negated disjunction
The ordinary English operators
_instead of _
A complex subject is one that includes at leas tone of the operators.
Example of a complex subject
- "Mary and John are students."
- Paraphrased as "Mary is a student and John is a student"
What should you do with complex subjects?
Translate as a conjunction, disjunction, etc. of simple statements.
What is a complex predicate?
A complex predicate is one that includes at least one of the operators.
What is an example of a complex predicate?
- "Bob went to new York or Boston"
- Paraphrased as "Bob went to New York or Bob went to Boston"
What should you do with a complex predicate?
Translate it to a simple statement such as a conjunction, disjunction, etc.
What do you do is the word "and" is not used as a conjunction?
Symbolize it as one statement with one Uppercase letter
What does word order in ordinary English not necessarily follow?
The logical order of simple statements and operators
Is it acceptable to change the logical order of the antecedent and consequent in a conditional statement?
What do you do if ordinary English is sloppy and does not follow the logical order?
Paraphrase the statement according to logical order
If Not_ comes BEFORE a conjunction or disjunction expression...
- then the conjunction or disjunction is negated as a whole
If not_ is AFTER a conjunction or disjunction expression....
- then the conjuncts or disjuncts are negated
- ~A . ~B
What should we do with grammatical tenses?
Disregard grammatical tenses, consider them as the same statement
What would you like to do?
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