doc-src/IsarRef/Thy/Base.thy

replace lemma realpow_two_diff with new lemma square_diff_square_factored

theory Base
imports Pure
uses "../../antiquote_setup.ML"
begin

setup {*
  Antiquote_Setup.setup #>
  member (op =) (Session.id ()) "ZF" ? Pure_Thy.old_appl_syntax_setup
*}

declare [[thy_output_source]]

end