COMMENT ⊗ VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 AXIOM ADHOC: C00003 ENDMK C⊗; AXIOM ADHOC: ∀N N1.(N ≥ SUCC N1 ⊃ N ≥ N1), ∀N N1.(N ≥ SUCC N1 ⊃ ¬(N-N1=0)), ∀N.(N-N=0), ∀N.(N≥N), ∀N.¬(N ≥ SUCC N);;