def
definition
def or abbrev
basisVec
show as:
view Lean formalization →
formal statement (Lean)
12def basisVec (μ : Fin 4) : Fin 4 → ℝ := fun ν => if ν = μ then 1 else 0
proof body
Definition body.
13
used by (14)
-
basisVec_ne -
basisVec_self -
coordRay -
coordRay_apply -
coordRay_temporal_spatial -
partialDeriv_v2_spatialNormSq -
partialDeriv_v2_x_sq -
secondDeriv_radialInv -
spatialNormSq_coordRay_spatial_1 -
spatialNormSq_coordRay_spatial_2 -
spatialNormSq_coordRay_spatial_3 -
spatialRadius_coordRay_ne_zero_eventually -
secondDeriv_radialInv_proved -
spatialRadius_coordRay_ne_zero_proved