The original one has a strong tilt towards theoretical stuff.

This library may be a toolset to help you build reliable software or teach contemporary math.

Credits:

• Amélia's 1Lab is a source of immensely good tricks regarding automation, design and style in particular. See Meta, most of the Foundations.
• Structures due to Martin Escardo, Carlo Angiuli, Evan Cavallo, Anders Mörtberg, Max Zeuner.
• Categories in this formulation were introduced by Frederik Hanghøj Iversen.
• Cardinals follow closely the work of Donnacha Oisín Kidney.
• Ordinals due to Fredrik Nordvall Forsberg et al.
• Containers are folklore, though I took inspiration in a talk by Thorsten Altenkirch and Conor McBride's lectures.
• Reflection machinery and the theories of Nats and Lists are inspired by Coq's Mathematical Components library.