Theory Transport_Implies

✐‹creator "Kevin Kappelmann"›
theory Transport_Implies
  imports
    Function_Relators
    Reverse_Implies
begin

lemma Fun_Rel_iff_imp_imp: "((⟷)  (⟷)  (⟷)) (⟶) (⟶)"
  by auto

lemma Fun_Rel_imp_imp_imp: "((⟵)  (⟶)  (⟶)) (⟶) (⟶)"
  by auto

lemma Fun_Rel_rev_imp_imp_imp: "((⟶)  (⟵)  (⟵)) (⟶) (⟶)"
  by auto

lemma Fun_Rel_iff_rev_imp_rev_imp: "((⟷)  (⟷)  (⟷)) (⟵) (⟵)"
  by auto

lemma Fun_Rel_imp_rev_imp_rev_imp: "((⟶)  (⟵)  (⟶)) (⟵) (⟵)"
  by force

lemma Fun_Rel_rev_imp_rev_imp_rev_imp: "((⟵)  (⟶)  (⟵)) (⟵) (⟵)"
  by force

end