Proposition
- unlike questions or directives=> can claim whether prop is true/ false
Statement
• statement = proposition + assertion
Argument
Premise
a) assumed or taken for granted in an argument
b) intended as support for another statement
Conclusion
a) not taken for granted in an argument
b) what the author wants to convince the reader of
c) intended to be supported by another statement
Compound argument
Arguments including ‘intermediate conclusions’
Intermediate conclusion
Conditional statement
- links propositions through “if…then” operator
Explanations
Consist of two sorts of prepositions
Explanandum
A proposition describing the event or state of affairs being explained
Explanans
One or more propositions describing the causal or other factors thought to explain it
The principle of charity
Standard form
• helps clarify the logical structure of the argument
• argument expressed in standard form by:
1) numbering the argument’s premise
2) drawing a horizontal line and placing the conclusion of the argument after the premises
3) placing a ‘therefore sign’ before the conclusion