Mercurial > hg > Members > kono > Proof > ZF-in-agda
comparison nat.agda @ 220:95a26d1698f4
try to separate Ordinals
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Wed, 07 Aug 2019 10:28:33 +0900 |
parents | 22d435172d1a |
children |
comparison
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219:43021d2b8756 | 220:95a26d1698f4 |
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36 <-∨ {Suc x} {Zero} (s≤s ()) | 36 <-∨ {Suc x} {Zero} (s≤s ()) |
37 <-∨ {Suc x} {Suc y} (s≤s lt) with <-∨ {x} {y} lt | 37 <-∨ {Suc x} {Suc y} (s≤s lt) with <-∨ {x} {y} lt |
38 <-∨ {Suc x} {Suc y} (s≤s lt) | case1 eq = case1 (cong (λ k → Suc k ) eq) | 38 <-∨ {Suc x} {Suc y} (s≤s lt) | case1 eq = case1 (cong (λ k → Suc k ) eq) |
39 <-∨ {Suc x} {Suc y} (s≤s lt) | case2 lt1 = case2 (s≤s lt1) | 39 <-∨ {Suc x} {Suc y} (s≤s lt) | case2 lt1 = case2 (s≤s lt1) |
40 | 40 |
41 max : (x y : Nat) → Nat | |
42 max Zero Zero = Zero | |
43 max Zero (Suc x) = (Suc x) | |
44 max (Suc x) Zero = (Suc x) | |
45 max (Suc x) (Suc y) = Suc ( max x y ) | |
46 |