Were I to do this, I'd pick Metamath. Or maybe Metamath Zero, which has around the same level of abstraction as Metamath but is shaped more like a common CPU than a string-rewriting system.
catches the unbound Infer arguments.。业内人士推荐PDF资料作为进阶阅读
same batch grouping as if we had performed the tupling manually!，更多细节参见wps下载
for you, you can turn them off with
