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cs.LO2021★ 5 cited
Formalizing Geometric Algebra in Lean
Eric Wieser, Utensil Song
This paper explores formalizing Geometric (or Clifford) algebras into the Lean 3 theorem prover, building upon the substantial body of work that is the Lean mathematics library, ma…
cs.LO2021
Scalar actions in Lean's mathlib
Eric Wieser
Scalar actions are ubiquitous in mathematics, and therefore it is valuable to be able to write them succinctly when formalizing. In this paper we explore how Lean 3's typeclasses a…