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PHIL 2100
review cards for concepts from PHIL 2100 at UofGuelph
83
Philosophy
Undergraduate 2
04/15/2026

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Term
What are System 1 and System 2 thinking? What kind of thinking is critical thinking as we do it in this course?
Definition
System 1 is fast thinking and makes up the majority of our decisions, we wouldn't have the capacity to always do System thinking which is critical thinking / slow thinking
Term
What are claims?
Definition
Claims are a statement that is either true or false (regardless of if we can evaluate its truth)
Term
What kinds of sentences are not claims?
Definition
commands and questions
Term
What are objective, subjective, prescriptive, value claims?
Definition
(not official defs) objective is T/F regardless of psychological state, subjective truth can vary depending on a persons feelings and perspective, prescriptive claims make a statement about how people ought to act and they have an implied value claim which is showing a value (right wrong immoral etc)
Term
Definitions: why are they not claims?
Definition
definitions report the usage of a word within a given community, they are not something to be evaluated as T/F they can be narrow, broad, good, bad
Term
What happens when claims masquerade as definitions?
Definition
when claims masquerade as definitions, we consider the definition to be concealing a claim that needs support
Term
What are reportive vs stipulative definitions?
Definition
reportive are reporting the typical usage of a word in a given community and stipulative are outlined / defined in the context of the argument
Term
What is the problem of vagueness?
Definition
vagueness is a problem with both logistic and factual evaluation, if we cannot tell what the argument being made is we cannot evaluate it therefore not claims
Term
What is the difference between simple vagueness and ambiguity (ambiguity is a type of vagueness)?
Definition
simple vagueness is a confusion on what is being argued - ambiguity is not a vagueness of what is being said, but not knowing which of multiple definitions a word is using
Term
what is the subjectivist fallacy?
Definition
that just because people disagree on a claim it is subjective - a fallacy of reasoning
Term
what is the drawing the line fallacy?
Definition
just because there is a gray area, there is no context where there are clear cases - just because fine details cannot be identifies doesn't mean big ones also can't
Term
what is equivocation?
Definition
exploiting the multiple different meanings of a word for your argument
Term
what is begging the question?
Definition
when one of the claims is similar or the same to the conclusion you are making, you are structuring claims that make an argument you agree to (this is technically a valid argument)
Term
what is confirmation bias?
Definition
it is a cognitive bias wherein people will seek out and notice the information that agrees with their preconcieved beliefs
Term
Arguments: What are they?
Definition
they are a set of claims (premises) presented as support for another claim (conclusion)
Term
What do indicator words do and why are they not perfect indicators?
Definition
they help to point out the claims inside a body of text, not perfect because you can have claims with no indicator words and you can have indicator words used in other contexts
Term
What are valid, invalid, strong, weak arguments and their relationships?
Definition
these are logical evaluations -- a valid argument is an argumen tthat if the premises are taken as true - there is no way for the conclusion to be false, if its not valid its automatically invalid which is a scale from strong (the premises reasonable support the conclusion to be true) to weak (the premises do not give reasonable support to believe the conclusion is true)
Term
What makes an argument good or bad?
Definition
good or bad is an all inclusive description of logical and factual evaluations - it is good if it is valid or strong with true premises, pretty much all other combinations are bad,( strong or valid with false premises) weak is always bad
Term
What are the logical and the factual standpoints?
Definition
factual is looking at the premises to see if they're true or if they have enough rationing to believe they are and logical is if the premises are taken to be true do they give good reason to believe the conclusion
Term
The three tests for a good argument are...?
Definition
1. factual - its premises are true/plausible 2. logical - the argument is valid or strong 3. the premises are each more plausible than the conclusion (don't have to worry about this one much unless there is vaguness or begging the question)
Term
What is the principle of charity?
Definition
there are three assumptions to make about the argument you are evaluating 1. the person knows how to reason well 2. they know enough about the topic they are arguing and 3. they are not lying
Term
Implying and inferring—what is the difference and the relationship between them?
Definition
claims imply and people infer, adding in missing claims by POC that are implied in the persons argument and we are inferring that is what they intented to say
Term
How do we reason with prescriptive claims?
Definition
we do not need to assume that prescriptive claims are subjective (difference of morals) or vague (good, bad, right, wrong), but we need to be clear about the way in which the terms are being used -- prescriptive claims are reasoned with as objective claims
Term
what is the difference between contradictories and contraries?
Definition
contradictories are two claims that cannot be true at the same time AND cannot be false at the same time (opposite truth values) - the truth of one falsifies the other and the false of one makes the other true and contraries cannot be true at the same time but can be false at the same time
Term
what is the law of non-contradiction?
Definition
a claim cannot be true and not-true at the same time, if it is a valid argument (conc must be true given true premises) and the premises are in fact true, there is no way to say the conclusion is false - it would be self contradictory
Term
explain deductive vs inductive arguments
Definition
deductive = valid and inductive = invalid (you induce from the evidence of premises)
Term
name the three types of inductive arguments talked about in class
Definition
inductive generalization (specific case to general case ie sample to general popn) + inductive prediction (inference from set of observations to predicted observation) + enumerative induction (inference from a list of factual claims to a conclusion ie circumstantial evidence in court)
Term
is vagueness an issue with the logical or factual standpoint of an argument
Definition
technically both since its unclear to distinguish what is being said, prof reccomends to leave it in for logical evaluation and standardize it to properly represent the argument being made then evaluating it in factual sections
Term
Are cognitive biases actually fallacies? (You should grasp what a cog. bias and a fallacy are.)
Definition
my guess is no, cognitive biases are human nature whereas fallacies are common mistakes (real answer - no, cognitive bias is different from a mistake in reasoning (a fallacy) because it is the way our brains work and doesn’t necessarily lead to a mistake in reasoning)
Term
Why do we care about claims—why not just talk about sentences and reasoning?
Definition
claims can be evaluated as true or false and they give us a standard format to properly evaluate (real answer - claims are specific types of sentences that are linguistic entities that can function as reasons for arguments) - sentences and reasoning can do the same thing in a lot of cases but leave room for individual interpretation of what exactly is being stated
Term
What is wrong with this sentence: “There is so much disagreement about vaccines, so whether vaccines do anything or not is a matter of opinion”?
Definition
this is the subjectivist fallacy, just because there is diagreeance that the issue is subjective or not able to be evaluated
Term
Why should we pay close attention when people use definitions in their arguments?
Definition
because definitions can be inaccurate and disguise a claim within an argument that needs support and to be evaluated
Term
Its hard to give a good definition, because good definitions are exhaustive. It’s easier to ________________________________. Can you fill in the blank?
Definition
make a working definition in the context of the argument you are making
Term
If almost all words are vague, why is vagueness not usually a problem when we are trying to understand a claim?
Definition
vagueness is usually not a problem because the context of the argumnent helps to understand the way it is being used
Term
How many truth-values are there? What are they?
Definition
there are only two truth values - true and false
Term
What does “being rational” mean in this course?
Definition
rational thinking, being able to reasonably believe and write supportive claims, use good judgement
Term
Good arguments need to satisfy 3 conditions. The first two conditions are fairly straightforward, what is the point of the third condition?
Definition
the third condition is because the point of arguments is to give reasons to believe a conclusion, if the premises are more believably then the argument isn't structured well ot meaningully
Term
Can you fill in the blank successfully? “If two claims are contradictories, then_______________________________________________.”
Definition
they cannot be true at the same time and cannot be false at the same time
Term
What are the two different standpoints for evaluating argument?
Definition
factual and logical
Term
What is the principle of Charity (3 parts)?
Definition
1. the person knows what they are talking about 2. they are not lying 3. they can reason well
Term
What is the relationship between a prescriptive claim and a value (or value claim)?
Definition
prescrptive claims always have an implied value claim
Term
Why is a command not a prescriptive claim?
Definition
because commands do not have value implied in them and also may not be structured like a claim (possible to be evaluated as true or false)
Term
what are the steps to evaluating an argument ?
Definition
raw material - standardizing - what type of argument - truth evaluation - finalize with defining as good or bad argument
Term
can you reject a premise because it is vague?
Definition
yes - but standardize and reject in factual evaluation stage
Term
What is the difference between infer and imply?
Definition
a passage will imply but people infer
Term
what are the compound claims and their parts
Definition
conjunction (conjuncts), disjunction (disjuncts), conditional (antecedent and consequent), negation
Term
what do truth tables do?
Definition
show the truth conditions for the logical operators (and can test for valitidy)
Term
how many truth values and truth conditions do claims have?
Definition
two truth values - true or false and truth conditions are evaluating in what scenario a claim would be true or false
Term
list the contradictories of the compund claims (negation) in the following order 1. P, then Q 2. P 3. P and Q 4. P or Q
Definition
1. P, notQ 2. not P 3. notP or notQ 4. notP and notQ
Term
what are the four valid forms of argument we talked about (one is fallacious)
Definition
Modus Ponens, Modus Tollens, Excluding the Possibilities, Reasoning in a Chain
Term
What are the invalid forms of conditional arguments?
Definition
affirming the consequent and denying the antecedent
Term
what is modus ponens?
Definition
if A, then B
Term
what is modus tollens?
Definition
Not B, therefore not A
Term
what is affirming the consequent?
Definition
B, therefore A
Term
what is denying the antecedent?
Definition
not A, therefore not B
Term
what is the difference of excluding the possibilities and false dilemma?
Definition
false dilemma is a problem when its presented as a valid argument - excluding possibilities is valid but fellacious I think
Term
what are necessary and sufficient conditions?
Definition
necessary is needed but does not guarantee something, sufficient guarantees the thing in itself
Term
write necessary and sufficient expressed as a conditional
Definition
if P (sufficient), then Q means that Q is necessary for P and vice versa
Term
why do we have cognitive biases?
Definition
because of evolution or socialization and we have more information to process than we can think critically about, also the need to protect self-worth
Term
what is the confirmation bias?
Definition
your brain will seek out or recognize information that confirms your preconcieved belief
Term
what is the availability error/heuristic?
Definition
pay more attention to local and attention grabbing infor that is usually negative
Term
what is the fundamental attribution error?
Definition
attributing something to someones personality that can be / could be explained through circumstance
Term
what is the anchoring bias?
Definition
using the first piece of information found as a evaluation point for further info / research
Term
what is the own race bias?
Definition
people are able to remember faces of people of their own race better
Term
what is the difference between epistemic and metaphysical questions?
Definition
epistemic is our beliefs and knowledge systems where as metaphysical is the reality of the world outside of us
Term
which branch (epistemic or metaphysical) is truth? Why?
Definition
truth is metaphysical because it exists in the world outside of us and our knowledges/beliefs may not match the truth
Term
when is "true for me" right?
Definition
when used to signal an experience that comes from an identity not shared with other people - the "truth" of reality is different for men and women for example
Term
why is "true for me" wrong?
Definition
it is pretending to be something its not - a subjective claim presented as objective, my truth = the truth, lacks necessary justification
Term
what is the basic theory of knowledge?
Definition
knowledge is a true, justified, belief
Term
describe the importance of justification in the basic theory of knowledge
Definition
it is asking whether we are legitimate in making a claim to knowledge, it is drawing the connection between our psychology and the world
Term
what are the important cognitive biases?
Definition
confirmation, availability error, fundamental attribution error, anchoring bias, own race bias
Term
what are the important fallacies?
Definition
begging the question, hasty generalization, subjectivist fallacy, false dilemma, gamblers fallacy, accepting premises because you accept conclusion, affirming the consequent, denying the antecedent
Term
what is the false dillema fallacy?
Definition
an argument that is presented as having exhaustive options to justify the conclusion, when another explanation exists / could exist
Term
what is gamblers fallacy?
Definition
treat events as connected when they aren't (ie the next coin toss must be heads bc three were tails but all coin tosses have same probability)
Term
what is accepting premises because you accept conclusion?
Definition
it is a fallacy - just something to watch out for, also called arguing backwards
Term
what is the is-ought fallacy?
Definition
reaoning from descriptive claims to a prescriptive conclusion - a prescriptive claim needs to be added
Term
why don't we explicitely list the value claim embedded in a prescrptive claim?
Definition
because the values we share are obvious and often don't need to be said explicitly
Term
what is the structure for reasoning from analogy?
Definition
S is similar to T in certain known repects - P / S has a further feature - F / Therefore, T also has the feature F or something similar to F / S is source, T is target, F is feature only the analog is known to have, P is property shared by S and T
Term
what is the important question for analogy reasoning analysis?
Definition
do the relevant similarities outweigh the relevent dissimilarities?
Term
what is the most important consideration for analogy reasoning analysis?
Definition
does the similarities make us confident the target is like the source in the way we are claiming
Term
is the basic theory of knowledge epistemic or metaphysical?
Definition
both, belief is epistemic, truth is metaphys and justified is both
Term
what constitutes justification?
Definition
when we have good reasons, it does not conflict with other beliefs we hold that have good reasons - it provides the best explanation for something
Term
what is the main way to tell the difference between objective and subjective claims
Definition
where we find the information to evaluate the truth value (subjective will be based on someone psychological / internal state)
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