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Adapt to coq/coq#18833 (indrec doesn't use sort family) #17

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Mar 26, 2024
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Adapt to coq/coq#18833 (indrec doesn't use sort family) #17

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7 changes: 5 additions & 2 deletions src/lean.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -113,11 +113,14 @@ let lean_scheme env ~dep mind u s =

let body =
let sigma = Evd.from_env env in
let sigma, s' = Evd.fresh_sort_in_family ~rigid:UnivRigid sigma
(if s = LSProp then InSProp else InType)
in
let sigma, body =
Indrec.build_induction_scheme env sigma
((mind, 0), u)
dep
(if s = LSProp then InSProp else InType)
s'
in
let uctx = Evd.universe_context_set sigma in
match s with
Expand Down Expand Up @@ -1149,7 +1152,7 @@ let squashify n { params; ty; ctors; univs } =
Environ.set_rel_context_val envT
(Environ.set_universes uconvT.graph (Global.env ()))
in
let args, out = Reduction.hnf_decompose_prod envT ctorT in
let args, out = Reduction.whd_decompose_prod envT ctorT in
let forced =
(* NB dest_prod returns [out] in whnf *)
let _, outargs = Constr.decompose_app out in
Expand Down
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