1 files changed, 7 insertions, 3 deletions

diff --git a/src/bootstrap/main.c b/src/bootstrap/main.c
index 95b2e49..a8ba7bc 100755
--- a/src/bootstrap/main.c
+++ b/src/bootstrap/main.c
@@ -37,8 +37,11 @@ init(void) {
     environment[env_n++] = (EnvSymbol){MAKE_SYM("*"), make_procedure(proc_mul)};
     environment[env_n++] = (EnvSymbol){MAKE_SYM("/"), make_procedure(proc_div)};
     environment[env_n++] = (EnvSymbol){MAKE_SYM("boolean?"), make_procedure(proc_is_boolean)};
-    environment[env_n++] = (EnvSymbol){MAKE_SYM("false?"), make_procedure(proc_is_false)};
+    environment[env_n++] = (EnvSymbol){MAKE_SYM("not"), make_procedure(proc_not)};
+    environment[env_n++] = (EnvSymbol){MAKE_SYM("and"), make_procedure(proc_and)};
+    environment[env_n++] = (EnvSymbol){MAKE_SYM("or"), make_procedure(proc_or)};
     environment[env_n++] = (EnvSymbol){MAKE_SYM("display"), make_procedure(proc_display)};
+    environment[env_n++] = (EnvSymbol){MAKE_SYM("print"), make_procedure(proc_print)};
 }
 
 void
@@ -64,8 +67,9 @@ eval_line(FILE *fd, char delimiter) {
             printf("\n");
             printf("EVAL: ");
 #endif
-            display(eval(ast));
-            printf("\n");
+            if (display(eval(ast))) {
+                printf("\n");
+            };
         }
     }
 }