`BookProof.ChapterE.stochastic_uniform_to_vertex_singular` (M : Matrix (Fin 2) (Fin 2) ℝ) (hnonneg : ∀ i j, 0 ≤ M i j) (hcol : ∀ j, ∑ i, M i j = 1) (huniform : M *ᵥ ![1 / 2, 1 / 2]

Initializing...

`BookProof.ChapterE.stochastic_uniform_to_vertex_singular` (M : Matrix (Fin 2) (Fin 2) ℝ) (hnonneg : ∀ i j, 0 ≤ M i j) (hcol : ∀ j, ∑ i, M i j = 1) (huniform : M *ᵥ ![1 / 2, 1 / 2] · Prove2Me