Beall, Jc

Philosopher-Logician American Born 1970 (age 56)

Developed relevant logic and truth theories.

382 quotes

"The history of logic shows us the history of thought's self-understanding."
History
"To think rigorously is not necessarily to think in one particular way."
Knowledge
"Classical logic is powerful, but power is not the only virtue."
Wisdom
"The semantics of truth are as important as its logic."
Truth
"Formal systems illuminate best when they illuminate their own boundaries."
Philosophy
"Contradiction in thought can point us toward something real."
Wisdom
"The laws of logic are hypotheses about how language and thought relate."
Knowledge
"To work in non-classical logic is to expand the space of thinkable thoughts."
Philosophy
"The principle of bivalence assumes a determinacy that nature may not possess."
Truth
"Logic constrains reasoning, but reasoning sometimes escapes its constraints."
Wisdom
"What we can formally derive and what is true are not always identical."
Truth
"The history of philosophy is partly the history of questioning logical laws."
History
"To understand disagreement, first understand the logical frameworks in play."
Philosophy
"Consistency is a virtue, but so is openness to what resists systematization."
Wisdom
"The excluded middle is excluded for good reasons in some contexts."
Truth
"Formal semantics can only do so much; the rest is philosophy."
Knowledge
"To think about logic is to think about the deepest structure of reality."
Philosophy
"The power of classical logic can blind us to what it cannot express."
Wisdom
"Logical systems are human constructions serving human purposes."
Philosophy
"What seems contradictory may be true relative to different perspectives."
Truth
"The study of non-classical logic humbles our understanding of reasoning."
Knowledge
"To reject classical logic is not to reject truth itself."
Wisdom
"Semantics and metaphysics are inseparable in the deepest philosophical questions."
Philosophy
"The laws of thought are not laws of nature, but laws of language."
Truth
"Logic is best understood as a tool kit, not a prison."
Wisdom
"To work in philosophy is to work with the assumptions logic makes."
Philosophy
"Contradiction can be a sign not of error, but of depth."
Wisdom
"The debate over logical laws mirrors the debate over reality's nature."
Truth
"Formal rigor and philosophical openness can coexist in productive tension."
Philosophy
"What classical logic forbids, reality sometimes requires."
Truth