diff --git a/src/prelude/list.ts b/src/prelude/list.ts
index 86320e0..9f0517d 100644
--- a/src/prelude/list.ts
+++ b/src/prelude/list.ts
@@ -36,6 +36,8 @@ export const list = {
   // predicates
   'empty?': (list: any[]) => list.length === 0,
   'contains?': (list: any[], item: any) => list.includes(item),
+  'includes?': (list: any[], item: any) => list.includes(item),
+  'has?': (list: any[], item: any) => list.includes(item),
   'any?': async (list: any[], cb: Function) => {
     for (const value of list) {
       if (await cb(value)) return true