| Parents |
| hol |
| Children |
| surreal | gst-ax | wf_recp |
| Constants |
|
trans
|
('a → 'a → BOOL) → BOOL |
|
tc
|
('a → 'a → BOOL) → 'a → 'a → BOOL |
|
well_founded
|
('a → 'a → BOOL) → BOOL |
|
twfp
|
('a → 'a → BOOL) → BOOL |
| Definitions |
|
trans
|
⊢ ∀ r• trans r ⇔ (∀ s t u• r s t ∧ r t u ⇒ r s u) |
|
tc
|
⊢ ∀ r |
|
well_founded
|
⊢ ∀ r |
|
twfp
|
⊢ ∀ r• twfp r ⇔ well_founded r ∧ trans r |
| Theorems |
|
tran_tc_thm
|
⊢ ∀ r• trans (tc r) |
|
tran_tc_thm2
|
⊢ ∀ r x y z• tc r x y ∧ tc r y z ⇒ tc r x z |
|
tc_incr_thm
|
⊢ ∀ r x y• r x y ⇒ tc r x y |
|
tc_decomp_thm
|
⊢ ∀ r x y• tc r x y ∧ ¬ r x y ⇒ (∃ z• tc r x z ∧ r z y) |
|
tc_mono_thm
|
⊢ ∀ r1 r2 |
|
tc_p_thm
|
⊢ ∀ r p• (∀ x y• r x y ⇒ p x) ⇒ (∀ x y• tc r x y ⇒ p x) |
|
tcwf_lemma1
|
⊢ ∀ s r |
|
tcwf_lemma2
|
⊢ ∀ r |
|
wf_tc_wf_thm
|
⊢ ∀ r• well_founded r ⇒ well_founded (tc r) |
|
tc_wf_wf_thm
|
⊢ ∀ r• well_founded (tc r) ⇒ well_founded r |
|
tc_wf_twf_thm
|
⊢ ∀ r• well_founded r ⇒ twfp (tc r) |
|
wf_nochain_thm
|
⊢ ∀ r
|
|
wf_wf_thm
|
⊢ ∀ r |
|
nochain_wf_thm
|
⊢ ∀ r
|
|
wf_induct_thm
|
⊢ ¬ (∃ p v• p v ∧ (∀ y• p y ⇒ (∃ z• p z ∧ r z y)))
|
|
nochain_wf_thm2
|
⊢ ∀ r
|
|
nochain_min_thm
|
⊢ ∀ r
|
|
nochain_min_thm2
|
⊢ ∀ r
|
|
wf_min_thm
|
⊢ ∀ r |
|
minr_not_wf_thm
|
⊢ ∃ r
|
|
wf_restrict_wf_thm
|
⊢ ∀ r
|