DibyashanuPati/PhysLean
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Update Orthochronous.lean

Browse source
This commit is contained in:
Pietro Monticone 2024-06-08 01:54:20 +02:00
parent 2a84c3b87e
commit 699c38941c
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
HepLean/SpaceTime/LorentzGroup/Orthochronous.lean
View file

@ -171,7 +171,7 @@ lemma mul_not_othchron_of_not_othchron_othchron {Λ Λ' : lorentzGroup} (h : ¬
rw [zero_zero_mul]
exact euclid_norm_not_IsFourVelocity_IsFourVelocity h h'
/-- The homomorphism from `lorentzGroup` to `ℤ₂` whose kernal are the Orthochronous elements. -/
/-- The homomorphism from `lorentzGroup` to `ℤ₂` whose kernel are the Orthochronous elements. -/
def orthchroRep : lorentzGroup →* ℤ₂ where
toFun := orthchroMap
map_one' := by