Mathlib Changelog
v4
Changelog
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Commit
2023-01-04 12:39
127c1f98
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feat: port data.rat.cast (
#1261
)
depends on:
#1159
depends on:
#1251
Estimated changes
Modified
Mathlib.lean
Modified
Mathlib/Algebra/Field/Defs.lean
Created
Mathlib/Data/Rat/Cast.lean
added
theorem
MonoidWithZeroHom.ext_rat'
added
theorem
MonoidWithZeroHom.ext_rat
added
theorem
MonoidWithZeroHom.ext_rat_on_pnat
added
theorem
MulOpposite.op_ratCast
added
theorem
MulOpposite.unop_ratCast
added
def
Rat.castHom
added
def
Rat.castOrderEmbedding
added
theorem
Rat.cast_abs
added
theorem
Rat.cast_add
added
theorem
Rat.cast_add_of_ne_zero
added
theorem
Rat.cast_bit0
added
theorem
Rat.cast_bit1
added
theorem
Rat.cast_coe_int
added
theorem
Rat.cast_coe_nat
added
theorem
Rat.cast_comm
added
theorem
Rat.cast_commute
added
theorem
Rat.cast_div
added
theorem
Rat.cast_div_of_ne_zero
added
theorem
Rat.cast_eq_id
added
theorem
Rat.cast_eq_zero
added
theorem
Rat.cast_hom_rat
added
theorem
Rat.cast_id
added
theorem
Rat.cast_inj
added
theorem
Rat.cast_injective
added
theorem
Rat.cast_inv
added
theorem
Rat.cast_inv_int
added
theorem
Rat.cast_inv_nat
added
theorem
Rat.cast_inv_of_ne_zero
added
theorem
Rat.cast_le
added
theorem
Rat.cast_lt
added
theorem
Rat.cast_lt_zero
added
theorem
Rat.cast_max
added
theorem
Rat.cast_min
added
theorem
Rat.cast_mk
added
theorem
Rat.cast_mk_of_ne_zero
added
theorem
Rat.cast_mono
added
theorem
Rat.cast_mul
added
theorem
Rat.cast_mul_of_ne_zero
added
theorem
Rat.cast_ne_zero
added
theorem
Rat.cast_neg
added
theorem
Rat.cast_nonneg
added
theorem
Rat.cast_nonpos
added
theorem
Rat.cast_one
added
theorem
Rat.cast_pos
added
theorem
Rat.cast_pos_of_pos
added
theorem
Rat.cast_pow
added
theorem
Rat.cast_strictMono
added
theorem
Rat.cast_sub
added
theorem
Rat.cast_sub_of_ne_zero
added
theorem
Rat.cast_zero
added
theorem
Rat.cast_zpow
added
theorem
Rat.coe_cast_hom
added
theorem
Rat.commute_cast
added
theorem
Rat.preimage_cast_Icc
added
theorem
Rat.preimage_cast_Ici
added
theorem
Rat.preimage_cast_Ico
added
theorem
Rat.preimage_cast_Iic
added
theorem
Rat.preimage_cast_Iio
added
theorem
Rat.preimage_cast_Ioc
added
theorem
Rat.preimage_cast_Ioi
added
theorem
Rat.preimage_cast_Ioo
added
theorem
RingHom.ext_rat
added
theorem
eq_ratCast
added
theorem
map_ratCast