changeset 278:ed06f82988c1

...
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 27 Jan 2023 11:12:14 +0900
parents 25c8b4d71085
children 386ece574509
files src/Fundamental.agda
diffstat 1 files changed, 8 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/src/Fundamental.agda	Fri Jan 27 10:45:25 2023 +0900
+++ b/src/Fundamental.agda	Fri Jan 27 11:12:14 2023 +0900
@@ -193,14 +193,18 @@
     aNeq {f} {g} f=g = an00 , ? where 
         an00 : {x : Carrier} → f ∋ x → g ∋ x
         an00 {x} fnx = begin
-           a (g x) ∙ ⟦ n (g x) ⟧ ≈⟨ ∙-cong (gsym G (an01 (a (f x)))) (grefl G) ⟩
-           (a (f x) ∙ ⟦ factor (a (g x)) (a (f x)) ⟧ ) ∙ ⟦ n (g x) ⟧ ≈⟨ ? ⟩
-           a (f x) ∙ ( ⟦ factor (a (g x)) (a (f x)) ⟧  ∙ ⟦ n (g x) ⟧ ) ≈⟨ ? ⟩
-           a (f x) ∙ ( ⟦ factor (a (g x)) (a (f x)) ∙ n (g x) ⟧ ) ≈⟨ ? ⟩
+           a (g x) ∙ ⟦ n (g x) ⟧ ≈⟨ ∙-cong (gsym G (an01 (fgf ⁻¹ ∙ a (f x)))) (gsym G f=g) ⟩
+           (fgf ⁻¹ ∙ a (f x)) ∙ ⟦ factor (a (g x)) (⟦ factor (a (g x)) (a (f x)) ⟧ ⁻¹ ∙ a (f x)) ⟧  ∙ ⟦ n (f x) ⟧ ≈⟨ ? ⟩
+           (a (f x) ∙ fgf ⁻¹ ) ∙ ( ⟦ factor (a (g x)) (a (f x)) ⟧ ∙ ⟦ n (f x) ⟧ ) ≈⟨ ? ⟩
            a (f x) ∙ ⟦ n (f x) ⟧ ≈⟨ fnx ⟩
            x ∎  where
+               fgf = ⟦ factor (a (g x)) (a (f x)) ⟧ 
                an01 : (y : Carrier) → y ∙ ⟦ factor (a (g x)) y ⟧ ≈ a (g x)
                an01 y = is-factor (a (g x)) y
+               an03 : ⟦ factor (a (g x)) (a (f x)) ⟧ ≈ ε
+               an03 = ?
+               an02 : ⟦ factor (a (g x)) (⟦ factor (a (g x)) (a (f x)) ⟧ ⁻¹ ∙ a (f x)) ⟧ ≈ ⟦ factor (a (g x)) (a (f x)) ⟧
+               an02 = ?
 
     cong-i : {f g : Group.Carrier (G / K ) } → ({x : Carrier } →  ⟦ n (f x) ⟧ ≈ ⟦ n (g x) ⟧ ) → inv-φ f ≈ inv-φ g
     cong-i = ?