A new type for tactics A new type for tactics
نویسندگان
چکیده
The type of tactics in all (procedural) proof assistants is (a variant of) the one introduced in LCF. We discuss why this is inconvenient and we propose a new type for tactics that 1) allows the implementation of more clever tactics; 2) improves the implementation of declarative languages on top of procedural ones; 3) allows for better proof structuring; 4) improves proof automation; 5) allows tactics to rearrange and delay the goals to be proved (e.g. in case of side conditions or PVS subtyping judgements).
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