[main] Don't use unguarded assumption#1276
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…Prop PCUIC's predicate has pcontext : list (context_decl term) and branch has bcontext : list (context_decl term), so quoting these during quote_term's fixpoint induction requires converting the element-wise ondecl/onctx/tCaseBrsProp hypotheses into quotation_of values. Add the necessary chain of instances: - quotation_of_option_default_unit: option_default quotation_of o unit → quotation_of o - quotation_of_context_decl: ondecl quotation_of d → quotation_of d - quotation_of_onctx: onctx quotation_of ctx → quotation_of ctx - quotation_of_predicate: tCasePredProp quotation_of quotation_of p → quotation_of p - quotation_of_branch: onctx + quotation_of bbody → quotation_of b - quotation_of_branches: tCaseBrsProp quotation_of l → quotation_of l Each paired with a Hint Extern 0 ... => assumption to bridge eta-expanded forms from the induction hypotheses. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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It was converting too much, cf https://rocq-prover.zulipchat.com/#narrow/channel/237658-MetaRocq/topic/Understanding.20Raw.2Equote_term.20output/with/600928479