coolthms – Reference items in a theorem environment

The pack­age pro­vides the means to di­rectly ref­er­ence items of lists nested in the­o­rem-like en­vi­ron­ments (e.g., as ‘The­o­rem 1 a’).
The pack­age ex­tends the nthe­o­rem and clev­eref pack­ages.
The pack­age also pro­vides other the­o­rem markup com­mands.