Add canonical morphism helpers + uniqueness lemmas to Objects.v #2
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- Make `unique` tactic global by removing `Local` modifier - Add `map_from_initial` and `map_to_terminal` for canonical morphisms - Add `initial_morphism_unique` and `terminal_morphism_unique` theorems - Proofs use existing `unique` tactic These additions provide cleaner access to unique morphisms from/to initial/terminal objects, as suggested in PR HoTT#2288.
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uniquetactic global by removingLocalmodifiermap_from_initialandmap_to_terminalfor canonical morphismsinitial_morphism_uniqueandterminal_morphism_uniquetheoremsuniquetacticThese additions provide cleaner access to unique morphisms from/to initial/terminal objects, as suggested in PR HoTT#2288