Arguments Flashcards
module 1
prudent meaning
acting with or sharing care or thought for the future
morality meaning
principles that distinguish between right and wrong
what is critical thinking
set of techniques and info to help avoid believing without sufficient
what is a moral argument
avoid believing without sufficient evidence
is there such thing as a truth?
yes, its a belief
what is a proxy
need it for usefulness or helpfulness
used to present someone with something
what is an argument
presentation of reasons for believing a claim or contention- usually always propositions
what is the key to know if its a proposition or not
put “I believe that” in front
what are supporting propositions called
premises
what are supported propositions called
conclusion
what is a conclusion indicator
“So” but also therefore, hence, thus
what are premise indicators
since, because, afterall
what is disjunctive syllogism - deductive argument
valid argument form in which a syllogism has a disjunctive statement for one of its premises
it’s either morning or afternoon
it is not afternoon
it is morning
disjunctive syllogism
what is simplification - deductive argument
premise is conjunction of two sentences
no way for premise to be true and conclusion to be false therefore its valid
An argument that is both valid and that has true premises is said to be what
sound
what is conjunction - deductive argument
two premises are both true
conclusion is a combination of the two
both valid and sound
how can you tell if an argument is valid
there is no way for the premise to be true and conclusion to be false therefore its valid
Saskatoon is in Saskatchewan and so is Regina
Regina is in Saskatoon
simplification- deductive
Saskatoon is in Saskatchewan
Prince Albert is in Saskatchewan
Both are in Saskatchewan
Conjunction - deductive
what is modus ponens
valid deductive argument
valid two premise argument
if there is sufficient precipitation, there will be a drought
there is sufficient precipitation
There will be a drought
modus ponens- deductive
what are invalid deductive arguments
affirming the consequent is invalid
invalid by imagining a situation in which premises are true but conclusion is false
if you oversleep you will be late
you are late
you overslept
invalid deductive argument