小島みなこの競プロ日常
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We believe the Lean 3 theorem prover’s success is primarily due to its extensibility capabilities and metaprogramming framework [6]. However, users cannot
modify many parts of the system without changing Lean 3 source code written
in C++. Another issue is that many proof automation metaprograms are not
competitive with similar proof automation implemented in programming languages with an efficient compiler such as C++ and OCaml. The primary source
of inefficiency in Lean 3 metaprograms is the virtual machine interpretation
overhead.
Lean 4 is a reimplementation of the Lean theorem prover in Lean itself4
.
It is an extensible theorem prover and an efficient programming language. The
new compiler produces C code, and users can now implement efficient proof automation in Lean, compile it into efficient C code, and load it as a plugin. In
Lean 4, users can access all internal data structures used to implement Lean
by merely importing the Lean package
开幕雷击⚡️
万能的 ring
易得 --> AI 能搜出来证明过程。
太多了。。。。