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- The `deprecate` notation and `iota_add` have been deprecated. All the uses of
the `deprecate` notation have been replaced with the `deprecated` attribute.
- Deprecation aliases in `ssrnat` and `ssrnum` introduced in MathComp 1.11+beta1
have been removed.
- Remove `VDFILE` related hacks from `Makefile.common`.
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Co-authored-by: Cyril Cohen <CohenCyril@users.noreply.github.com>
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- Replace `altP eqP` and `altP (_ =P _)` with `eqVneq`:
The improved `eqVneq` lemma (#351) is redesigned as a comparison predicate and
introduces a hypothesis in the form of `x != y` in the second case. Thus,
`case: (altP eqP)`, `case: (altP (x =P _))` and `case: (altP (x =P y))` idioms
can be replaced with `case: eqVneq`, `case: (eqVneq x)` and
`case: (eqVneq x y)` respectively. This replacement slightly simplifies and
reduces proof scripts.
- use `have [] :=` rather than `case` if it is better.
- `by apply:` -> `exact:`.
- `apply/lem1; apply/lem2` or `apply: lem1; apply: lem2` -> `apply/lem1/lem2`.
- `move/lem1; move/lem2` -> `move/lem1/lem2`.
- Remove `GRing.` prefix if applicable.
- `negbTE` -> `negPf`, `eq_refl` -> `eqxx` and `sym_equal` -> `esym`.
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Replaced the legacy generalised induction idiom with a more robust one
that does not rely on the `{-2}` numerical occurrence selector, using
either new helper lemmas `ubnP` and `ltnSE` or a specific `nat`
induction principle `ltn_ind`.
Added (non-strict in)equality induction helper lemmas
Added `ubnP[lg]?eq` helper lemmas that abstract an integer expression
along with some (in)equality, in preparation for some generalised
induction. Note that while `ubnPleq` is very similar to `ubnP` (indeed
`ubnP M` is basically `ubnPleq M.+1`), `ubnPgeq` is used to remember
that the inductive value remains below the initial one.
Used the change log to give notice to users to update the generalised
induction idioms in their proofs to one of the new forms before
Mathcomp 1.11.
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from
`ltngtP m n : compare_nat m n (m <= n) (n <= m) (m < n) (n < m) (n == m) (m == n)`
to
`ltngtP m n : compare_nat m n (n == m) (m == n) (n <= m) (m <= n) (n < m) (m < n)`,
to make it tries to match subterms with `m < n` first, `m <= n`, then `m == n`.
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Also changed eqsVneq.
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```
Warning: Adding and removing hints in the core database implicitly is
deprecated. Please specify a hint database.
[implicit-core-hint-db,deprecated]
```
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