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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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- Rename `eq_sorted` lemmas to `sorted_eq` to address a naming inconsistency.
- Lemma `sort_le_id` has been generalized from `orderType` to `porderType`.
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This change reduces
- use of numerical occurrence selectors (#436) and
- use of non ssreflect tactics such as `auto`,
and improves use of comparison predicates such as `posnP`, `leqP`, `ltnP`,
`ltngtP`, and `eqVneq`.
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Documentation typos
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- adding a doc paragraph on displays
- Changelog
- better proofs for new logn, gcdn, lcmn, partn facts
- Putting comments in the example of nat
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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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- Change the naming of permutation lemmas so they conform to a
consistent policy: `perm_eq` lemmas have a `perm_` (_not_ `perm_eq`)
prefix, or sometimes a `_perm` suffix for lemmas that _prove_ `perm_eq`
using a property when there is also a lemma _using_ `perm_eq` for the
same property. Lemmas that do not concern `perm_eq` do _not_ have
`perm` in their name.
- Change the definition of `permutations` for a time- and space-
back-to-front generation algorithm.
- Add frequency tally operations `tally`, `incr_tally`, `wf_tally` and
`tally_seq`, used by the improved `permutation` algorithm.
- add deprecated aliases for renamed lemmas
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Appears to be needed fo v8.7 compatibility, to avert some bug in early
`only printing` implementation whose fix was not back ported.
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Use `{pred T}` systematically for generic _collective_ boolean
predicate.
Use `PredType` to construct `predType` instances.
Instrument core `ssreflect` files to replicate these and other new
features introduces by coq/coq#9555 (`nonPropType` interface,
`simpl_rel` that simplifies with `inE`).
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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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See the discussion here:
https://github.com/math-comp/math-comp/pull/242#discussion_r233778114
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It was emitting a deprecation warning and will soon be removed from Coq.
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