Created
March 6, 2018 20:58
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| def g(i) { | |
| require(i > 0) | |
| i >= -1 | |
| } ensuring(res => res) | |
| def f(i): bool { | |
| require(i >= 0) | |
| i > 0 | |
| } | |
| def h(i) { | |
| require(i > 0 && f(i-1)) | |
| i+1 | |
| } ensuring(res => g(i+1) == true) |
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