Questions & Answers about A könyvtár segíti az oktatást.
They mean the same thing: both are the Hungarian definite article, equivalent to English the.
The choice depends on the sound that follows:
- a before a consonant sound: a könyvtár
- az before a vowel sound: az oktatást
So it is just like choosing the article form for ease of pronunciation, not a difference in meaning.
Because Hungarian verbs can have two main conjugation patterns:
Here, the object is az oktatást, which is definite because it has the definite article az. When the direct object is definite, Hungarian usually uses the definite verb form.
So:
- segít = he/she/it helps
- segíti = he/she/it helps it/them (with a definite object)
In this sentence, segíti matches the definite object az oktatást.