Programming as Theory Building [pdf]

%PDF-1.5 %???? 5 0 obj << /Length 4463 /Filter /FlateDecode >> stream xڅ[[s??~?_?????1A?"x?ɭ?l6??+???Ay??? ?s??}?&`ƌ? ??u?V??-???~?{e?ʳ???;U?X%?)Tl???w??q8??tj???CZ??z???? ?i?oL?ݽ?d??????N???sM?':???,.??}?M?&7B??~??Ma"qQ?m?ʙWUe.?Vw&?L?????qjR`??,?B?01???AE?y?$????*?;?}[s?:??????*z???4?X=?X?W??qW????????y?c:?I??9s?????"?9??D?Q?L\h'??ak??"????b?????̣_3K?z???hG?p??zܚ?v\???O?\ː?%yr??f?d??Iy??c??a??ڮF?%?YԵ_H??-ʤ?r:΢S?a^????AG???? ??q???U?2?D;??G???f???ݭ`N?}?2?Q??RA??Y??????$6襑j??{r??޸l??ul? ?D?ѝG?̦v:?~?п? kYda'y??{ ?????*?0=,?k?"L????$X?,Z???q??(.?6??'??UqU?Nn??IZ?A??2??O?l? T.?ڗ??0YU?yH?!?tV??l?.?? M???;)??t??*?????y??i?/wk??o???????'?n?????_I??t?0??'hG}> ???i?L&'GZ?p????H?$???3????????Ȓ??_m=?_? ??-4?????~G???}?BX?=^??ĥa?冭?r?3#"j1? Խ??ڢ:S/{Si{??$?O??KJ1P?e ??J? ????6z???6?䉶??tl?G?Ѯ8XktɪE_??n???OLA??/???Y?gGɳH???sF"T?????b?O??3?s^?A???JK?j ?W-??FK?iII????????)M??ۤ[;?42NP???BF?d22}r?&3??*?`? ????6?prR??|@xf?z=??L:??4_Z??3mc+\?$????0q ??"'ö?6]i??????X{պJ$?ލ_?w2?Yh??(P?$ζ????E????;?S????W6\???A???ITk>?Hh??˽;??tDUa??t`?g;Nm=w???H? ?-?F֋t;?^?a??ͽ????в?zb???l2|?C?)n?? 3U??僺???9L?????Z?i+?Y??j0?t?~!ͣ?-?"???Ŀ5-L?De?"? S?W?7 U}@l?b?+q8o??d?O50?q??F;t???$,?gW?FY?rȵ???%??VW&?5?ETj???=?NV??????_?i?A??(?`ݡ??gA???LJ?????$?w.?v?z??Q???o??]Δ??w#?k ?A2?AB9!??Rj;9?xH%?lv? ɹ????L???>1??~O|Z?G!ٲ?u|rƸ