alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
alias symbol "plus" (instance 0) = "Coq's natural plus".
alias id "plus_comm" = "cic:/Coq/Arith/Plus/plus_comm.con".
alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
alias symbol "plus" (instance 0) = "Coq's natural plus".
alias id "plus_comm" = "cic:/Coq/Arith/Plus/plus_comm.con".