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to phrases
law appear
Makarov. be proven
math. be proved
gen. it's been proven (что; that; so it has been shown to be true Val_Ships)
быть доказанным: 59 phrases in 12 subjects
Artificial intelligence1
British usage, not spelling1
General22
Horticulture2
Informal1
Law3
Literature1
Makarov15
Mathematics5
Programming1
Scientific6
Technology1