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t-WFF TESTS (TEST BY UNDERLINING LETTER-STRING ON PAPER TO ANSWER SCREEN PROBLEM)
(To see answer to given Task, click at eyelet. To dismiss answer, click at "OK".)

1. Is this a t-wff? IAEPQR.
2. Is this a t-wff? AEIPQRST.
3. A t-wff? EAIPQRS.
4. Do you learn anthing by COMPARING ANSWERS to PROBLEMS 1, 2, 3?
5. A t-ff? UUP.
6. A t-wff? OUPQ.
7. A t-wff? UIPQ.
8. A t-wff? EUUPP.
9. A t-wff? UAUPP.
10. A t-wff? AUPP.
11. A t-wff? UAPP.
12. A t-wff? EAPOQROAPQAPR.
13. A t-wff? EOPAQRAOPQOPR.
14. Is this a t-wff? IAEPQRUT.
15. Is this a t-wff? IAPQR.
16. A t-wff? UUUUUUPQ.
17 Is this a t-wff? AAAAANPQRST.
18. A t-ff? IIIIIINPQRST.
19. A t-wff? PQ.
20. A t-wff? UPQ.

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