update

Author: wwylele

GridCircuit/Basic.lean

@@ -2112,9 +2112,13 @@ theorem integral_sub_cos_inv {a : ℝ} (h1 : -1 < a) (h2 : a < 1) :
     unfold f at h
     obtain h := tan_inj_of_lt_of_lt_pi_div_two (by
       grw [← ha.1]
-      simp [pi_pos]) ((div_lt_div_iff_of_pos_right (by simp)).mpr ha.2) (by
+      suffices 0 ≤ π / 2 by simpa
+      exact div_nonneg (pi_nonneg) (by simp))
+      ((div_lt_div_iff_of_pos_right (by simp)).mpr ha.2) (by
       grw [← hb.1]
-      simp [pi_pos]) ((div_lt_div_iff_of_pos_right (by simp)).mpr hb.2) h
+      suffices 0 ≤ π / 2 by simpa
+      exact div_nonneg (pi_nonneg) (by simp))
+      ((div_lt_div_iff_of_pos_right (by simp)).mpr hb.2) h
     simpa using h
   rw [← integral_image_eq_integral_abs_deriv_smul measurableSet_Ioo hderiv hinj g, hfs]
   rw [← integrableOn_image_iff_integrableOn_abs_deriv_smul measurableSet_Ioo hderiv hinj g, hfs]

GridCircuit/Misc.lean

@@ -229,10 +229,14 @@ theorem sin_cube_bound {x : ℝ} (hx : x ∈ Set.Icc (-1) 1) :
   suffices x - sin x ≤ x ^ 3 / 4 by
     convert this using 1
     field
+  suffices x - sin x ≤ x ^ 3 / 6 by
+    apply this.trans
+    gcongr
+    norm_num
   rw [sub_le_comm]
   by_cases hx0 : x = 0
   · simp [hx0]
-  exact (sin_gt_sub_cube (lt_of_le_of_ne' h0 hx0) hx.2).le
+  exact (sin_gt_sub_cube (lt_of_le_of_ne' h0 hx0)).le
 
 
 theorem bounded_of_isBigO_cofinite {α : Type*} {f : α → ℝ} (hf : f =O[cofinite] (1 : α → ℝ)) :

lake-manifest.json

@@ -5,7 +5,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "e5836dbb05fccdfa24ab3396d46f1f49b1f816ed",
+   "rev": "1f165a51dee3b8cf9dbd45716c0b7fe05fa6bf00",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
@@ -15,7 +15,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "f3f26cc72646205ca167117487c008ee1dafe816",
+   "rev": "e12c1910fe855cbfc38803cd4e55543906d5fa62",
    "name": "plausible",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -35,7 +35,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "41f407a8e85b0fdc00910633a8f14754139b63f4",
+   "rev": "7e9612bf0b9ee66db3cb5b9988a35afc706f5a12",
    "name": "importGraph",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -45,7 +45,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "e6518a674e62de322b8f79eebeda7bcae2a36bc3",
+   "rev": "6e311e2a844da9b2cc3971187df2fe0066947b93",
    "name": "proofwidgets",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -55,7 +55,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "b5b9e2bb45ce91e4bc44eaa738c3a8910404ab82",
+   "rev": "a7dbf0c63b694e47f425f3dcddbc0e178bb432d3",
    "name": "aesop",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
@@ -65,7 +65,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "7a62bd13860cd39ac98da16ffc8c24d601353f69",
+   "rev": "38d591e778f100aec9762bb582f9c7f55f50e9dc",
    "name": "Qq",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
@@ -75,7 +75,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "125807f43a86b5d58892b7ea6972eec0d6c164d2",
+   "rev": "023ce7d62a0531e22a5331e20b587817a80d49ff",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -85,10 +85,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover",
-   "rev": "406ebb8c8e2f7e852a1b47764b42494022ce652c",
+   "rev": "88679d088c9720c27ebdf2ba4dafe17341747f94",
    "name": "Cli",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.32.0-rc1",
+   "inputRev": "v4.32.0",
    "inherited": true,
    "configFile": "lakefile.toml"}],
  "name": "«grid-circuit»",

lean-toolchain

@@ -1 +1 @@
-leanprover/lean4:v4.32.0-rc1
+leanprover/lean4:v4.32.0