simp [hasNameOfFromCHeaders]
case cons
η : Type u_η
dec_η : DecidableEq η
schema : Schema
hdr : Header
nm : η
s : Header
ss : List Header
hpf : HasCol hdr (s :: ss)
cs : List (CertifiedHeader (s :: ss))
h : HasName nm (map Sigma.fst cs)
⊢ hasNameOfFromCHeaders (HasName.tl h) = hasNameOfFromCHeaders h
no goals