LEADER 00885nmm a2200253 i 4500 001 991000526769707536 007 cr nn 008mamaa 008 080930s2009 de j eng d 020 $a9783540693192 035 $ab13870579-39ule_inst 040 $aDip.to Matematica$beng 100 1 $aPohlers, Wolfram$056702 245 10$aProof theory$h[e-book] :$bthe first step into impredicativity /$cby Wolfram Pohlers 260 $aBerlin :$bSpringer,$c2009 300 $bv.: digital 440 0$aUniversitext 650 0$aLogic, Symbolic and mathematical 773 0 $aSpringer eBooks 856 40$uhttp://dx.doi.org/10.1007/978-3-540-69319-2$zAn electronic book accessible through the World Wide Web 907 $a.b13870579$b03-03-22$c14-01-10 912 $a991000526769707536 996 $aProof theory$981534 997 $aUNISALENTO 998 $ale013$b14-01-10$cm$d@ $e-$feng$gde $h0$i0