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fixes #1632 #1633

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Merged
affeldt-aist merged 2 commits into from
May 26, 2025
Merged

fixes #1632 #1633

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24eb01a
fixes #1632
affeldt-aist May 26, 2025
a314df3
Update CHANGELOG_UNRELEASED.md
affeldt-aist May 26, 2025
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3 changes: 3 additions & 0 deletions CHANGELOG_UNRELEASED.md
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Expand Up @@ -50,6 +50,9 @@

### Generalized

- in `derive.v`:
+ `derive_cst`, `derive1_cst`

### Deprecated

### Removed
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5 changes: 3 additions & 2 deletions theories/derive.v
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Expand Up @@ -1241,7 +1241,7 @@ move=> dfx; apply: DeriveDef; first exact: derivableZ.
by rewrite deriveZ // derive_val.
Qed.

Lemma derive_cst (k : R) (x v : V) : 'D_v (cst k) x = 0.
Lemma derive_cst (k : W) (x v : V) : 'D_v (cst k) x = 0.
Proof. by rewrite derive_val. Qed.

End Derive_lemmasVW.
Expand Down Expand Up @@ -1389,7 +1389,8 @@ Lemma is_derive_shift {R : numFieldType} x v (k : R) :
is_derive x v (shift k) v.
Proof. by apply: DeriveDef => //; rewrite derive_val addr0. Qed.

Lemma derive1_cst {R : numFieldType} (k : R) t : (cst k)^`() t = 0.
Lemma derive1_cst {R : numFieldType} (V : normedModType R) (k : V) t :
(cst k)^`() t = 0.
Proof. by rewrite derive1E derive_cst. Qed.

Lemma derive1Mr {R : numFieldType} (f : R -> R) (x r : R) :
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