Theorem CartanMatrix.E₇_isSymm

Modification history

2026-08-13 09:59
Mathlib/LinearAlgebra/Matrix/Cartan.lean
feat(LinearAlgebra/Matrix): add the generalized E-type Cartan matrix family (#42157) …
Modified CartanMatrix.E₇_isSymmView on Github →
2026-01-19 11:57
Mathlib/Data/Matrix/Cartan.lean
feat(Data/Matrix/Cartan): add IsSymm lemmas and simplify IsSimplyLaced proofs (#33870) …
Added CartanMatrix.E₇_isSymmView on Github →