Geach, Peter

"The analogy of being is key to understanding the diversity of existence."

"Extensionality is a doctrine about predicates, not about entities."

"We must be careful to distinguish names from descriptions."

"The concept of being is analogical, not univocal."

"Truth is objective, though human truth-assertions are fallible."

"To understand necessity is to understand the nature of essence."

"The internal structure of a sentence mirrors the structure of its meaning."

"Relations have an ontological status independent of our conceptualizing."

"The quantifiers express fundamental logical truths."

"Medieval logic was often more sophisticated than later logic."

"To predicate is to assert that a property belongs to a subject."

"The problem of empty names reveals something deep about meaning."

"Substance is that which can exist independently of other things."

"The analysis of belief requires both psychology and logic."

"Universals are not in the mind but in reality."

"To be knowable is different from being known."

"Language derives its meaning from the thoughts it expresses."

"The doctrine of degrees of being has deep roots in philosophy."

"A predicate is incomplete; it requires a subject for completion."

"The notion of truth conditions is essential to semantic analysis."

"We must distinguish between use and mention of expressions."

"The problem of universals has no easy solution."

"Necessity is not a feature of language but of reality itself."

"To say something is necessary is to deny it could be otherwise."

"The structure of reality is revealed through logical analysis."

"Medieval philosophers preserved truths that ancient philosophers discovered."

"The verb 'exist' does not predicate a property like other verbs."

"To understand an argument is to grasp its logical form."

"The distinction between meaning and reference is not absolute."

"Being is the most fundamental concept in metaphysics."