<div dir="ltr">Hi,<div><br></div><div>In the following the _ in "yellow" is not resolved while the one in "inferred" is.</div><div>Is it because g is not invariant in that argument and so it matters what we pass to it?</div>
<div><br></div><div><div>open import Relation.Binary.PropositionalEquality</div><div><br></div><div>data X : Set where</div><div> x : X</div><div><br></div><div>f : X -> X -> Set</div><div>f _ x = X</div><div><br></div>
<div>postulate</div><div> stuck : X</div><div> g : ∀ z -> f z stuck</div><div><br></div><div>yellow : ∀ z -> f z stuck</div><div>yellow z = g _</div><div> </div><div>inferred : ∀ z -> f _ ≡ f z</div>
<div>inferred z = refl</div></div><div><br></div><div><br></div><div>-- Andrea</div></div>