Breakdown of Första kapitlet var så bra att jag genast skrev upp bokens titel.
Questions & Answers about Första kapitlet var så bra att jag genast skrev upp bokens titel.
Both are possible.
- det första kapitlet is the full, very common definite form.
- första kapitlet without det is also idiomatic, especially with ordinals like första, andra, sista.
The version without det can sound a bit leaner or slightly more literary. So the sentence is natural as written, but Det första kapitlet var så bra ... would also be correct.
Because kapitel is an ett noun, and here it is in the definite singular form:
- ett kapitel = a chapter
- kapitlet = the chapter
So första kapitlet means the first chapter.
This is a spelling pattern in Swedish. Many words ending in -el, -en, or -er lose an unstressed vowel in some forms.
So:
- kapitel + et becomes kapitlet
This is normal and must mostly just be learned as part of the noun’s forms.