Rosser's trick
falsifiable
proposition
Sir Karl Raimund Popper
Popper
Karl Popper
zombie theory
goddidit
determiner
clincher
dialetheism
determining factor
Gödel's incompleteness theorem
dogma
infinite descent
constructivism
tenet
corollary
material implication
mathematical proof
negative proof
demonstration
testable
monstrance
forcing
first truth
deflationism
axiom
undisprovable
informal fallacy
unfalsifiable
strong belief
circle
diallel
conservative extension
article of faith
unintuitive
self-refute
conviction
natural deduction
argumentum ad nauseam
principle of explosion
fallacy fallacy
nonproof
vicious circle
contrary
central limit theorem
proof by contradiction
consistent
theoretic
consistency
doxastic logic
determinablism
modus tollens
proof system
sophistry
logicism
metatheorem
complete
argument from ignorance
Girard's paradox
falsify
Q.E.D.
apagogic
Yablo's paradox
logical proof
apagoge
uncontradictable
weakening
argumentum ad ignorantiam
apatheism
falsified
fundamental principle
bedrock
reductio ad absurdum
ex falso quod libet
speculate
confirmation
fundamentals
hysteron proteron
Satandidit
basic principle
gospel truth
verification
check
nonassumption
substantiation
intuitionism
basics
circular argument
apodeictic
indefensible
disputable
indecisively
untenable
theorem
debatable