Where does this definition of homotopy extension come from?
This entry for homotopy extension is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does homotopy extension appear elsewhere on Lughet?
Yes — homotopy extension appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.