上述工作的形式化是在交互式定理证明器HOL系统中完成的。
SYSTEM All definitions and proofs have been done fully formally with the interactive theorem prover HOL 4 , representing one of its major applications .
INCAPS：一个交互式计算机辅助定理证明系统
Incaps : an interactive computer-aided theorem-proving system
交互式证明系统