valid
elench
deduction
strengthen
deductive reasoning
verification
well-grounded
vicious circle
premiss
premise
clinching
assumption
take the point
reasoning backward
deductive inference
regress
postulate
scientific fact
apodictic
I can tell you
reason
committed
derivation
demonstration
sequitur
monstrance
modus ponendo ponens
modus ponens
argumentum ad populum
argumentum ad ignorantiam
proof
petitio principii
petitio
truthen
inductive
disjunct
rest one's case
safe in the knowledge
all right
clincher
see an argument
alright
decisive factor
evidence
syllogism
truar
inference
illation
unequivocal
hypothesis
seminormal
double-dyed
adminiculate
truth
infer
truthmaker
univocal
circumstantial evidence
I rest my case
unambiguous
sentiment
view
modus ponendo tollens
affirmation
nicely
sorites
thought
opinion
certain
don't you know
persuasion
you know
logicist
givenness
derive
affirmative
genetic fallacy
evidently
putative
yo
dogma
circular argument
no matter how thin you slice it, it's still baloney
conjecture
after all
problematicism
determiner
appeal to authority
determining factor
verity
begging the question
aver
fallacy fallacy