I stumbled upon what seems to be a contradiction in my beginner's course textbook.
The book explains that the particle which indicates direction, "로", must be replaced by its variant "으로" if preceded by a consonant.
However, the examples given conflict with the previous statement:
- 바다로 - "toward the sea"
- 서울로 - "toward Seoul"
- 건물으로 - "toward the building"
Why isn't the second example "서울으로"?