refactor: replace Sentence ℒₒᵣ/Sentence ℒₛₑₜ with ArithmeticSentence/SetTheorySentence
#2659
| Job | Run time |
|---|---|
| 29s | |
| 3m 58s | |
| 12m 38s | |
| 0s | |
| 17m 5s |