First Classification
Two kinds:
1. First Intention: a concept by which we know a thing independent of our mind.
Ex. Humans have two legs.
2. Second Intention: a concept by which we conceive a thing in reality in so far as the mind understands it.
Ex. The Philippines is the Pearl of the Orient Seas.
Second Classification
Two kinds: 1. Concrete – It creates a form and subject in the mind.
Ex. Black dress, Red lips, Green shirt
2. Abstract – A concept endowed with form only.
Ex. blackness, loyalty
Third Classification – a concept which could either be ”absolute” or “connotative”.
Two kinds:
1. Absolute – a concept that manifests itself to the mind as a substance and as an independent reality. Ex. Man, God
2. Connotative – a concept that manifests itself to the mind as an accident connected to a substance.
Ex. Debater, speaker, kind, beautiful
Fourth Classification - it depends on the quality of the sentence.
Two kinds:
1. Positive – an essential characteristic of this classification is that it formulates the concept in an affirmative form.
Ex. She is an honest person.
2. Negative – It expresses an object that lacks something or that which is stated in negative form.
Ex. Pedro is not happy.