begintheorem opargbegintheorem @style @styleplain tempaempty @bodyfont @bodyfont@font#1 @bodyfont @bodyfont xthm 12pt plus 5pt minus 3pt 8pt plus 3pt minus 1.5pt endtheorem= onlypreamblexnthm onlypreambleynthm onlypreambleothm onlypreamble onlypreambleifundefinedth@#85#>warning Unknown theoremstyle `.́ Using `plain'@styleplain@style#93#> th@0@style @onlypreamble@onlypreambleifundefinedth@ th@0@style <94>>theoremheaderfont#1 plain