A fixed use of dar por (“to regard as”) with hecho (“done”); hecho agrees with what is regarded as settled.
A fixed use of dar por (“to regard as”) with hecho (“done”); hecho agrees with what is regarded as settled.
What does dar por hecho mean?
To assume something is true or already settled.
Does hecho change form?
Yes. It agrees with the thing assumed: dar por hecha la venta, for example.
Can it introduce que?
Yes: Doy por hecho que vendrás means “I assume you will come”.
Is it the same as proof?
No. It describes an assumption, which can turn out to be wrong.
Is dar por sentado similar?
Yes. Both can mean to take something for granted.