This use means knowing something before seeing or trying it. It is about ideas or facts you know because of thinking or logic, not from experience.
I know this fact a priori, without proof.
We can understand this truth a priori.
Here, 'a priori' is used as a noun to talk about a kind of thinking. It means coming to know something by thinking, not by trying or watching.
A priori is used in logic without experiments.
She studied a priori arguments in class.
In this meaning, a priori means that ideas or answers come from theory, not from seeing or experiencing things directly.
Mathematics uses a priori knowledge.
Scientists explain facts a priori in some models.
This use shows something decided before checking facts or proof, often by guessing or rule, not by direct evidence.
The decision was made a priori without proof.
Judges should avoid a priori assumptions.
This meaning is about using information or rules that are fixed ahead of time, before seeing real data or output.
The system uses a priori rules to decide.
We set a priori data for the model first.
Here, 'a priori' means doing or knowing something before events or evidence, like planning or understanding first.
We knew the answer a priori.
I decided a priori to say yes.
This meaning means accepting ideas as true before testing because of faith or belief, not because of science or proof.
The doctrine is accepted a priori by believers.
Faith provides a priori truth in religion.