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Theorem relexpmulg 38473
Description: With ordered exponents, the composition of powers of a relation is the relation raised to the product of exponents. (Contributed by RP, 13-Jun-2020.)
Assertion
Ref Expression
relexpmulg (((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) ∧ (𝐽 ∈ ℕ0𝐾 ∈ ℕ0)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))

Proof of Theorem relexpmulg
StepHypRef Expression
1 elnn0 11457 . . . 4 (𝐽 ∈ ℕ0 ↔ (𝐽 ∈ ℕ ∨ 𝐽 = 0))
2 elnn0 11457 . . . . . 6 (𝐾 ∈ ℕ0 ↔ (𝐾 ∈ ℕ ∨ 𝐾 = 0))
3 relexpmulnn 38472 . . . . . . . . . 10 (((𝑅𝑉𝐼 = (𝐽 · 𝐾)) ∧ (𝐽 ∈ ℕ ∧ 𝐾 ∈ ℕ)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))
433adantl3 1154 . . . . . . . . 9 (((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) ∧ (𝐽 ∈ ℕ ∧ 𝐾 ∈ ℕ)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))
54expcom 450 . . . . . . . 8 ((𝐽 ∈ ℕ ∧ 𝐾 ∈ ℕ) → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼)))
65expcom 450 . . . . . . 7 (𝐾 ∈ ℕ → (𝐽 ∈ ℕ → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))))
7 simprr 813 . . . . . . . . . . . . 13 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → 𝐼 = (𝐽 · 𝐾))
8 simpll 807 . . . . . . . . . . . . . 14 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → 𝐾 = 0)
98oveq2d 6817 . . . . . . . . . . . . 13 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → (𝐽 · 𝐾) = (𝐽 · 0))
10 simplr 809 . . . . . . . . . . . . . . 15 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → 𝐽 ∈ ℕ)
1110nncnd 11199 . . . . . . . . . . . . . 14 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → 𝐽 ∈ ℂ)
1211mul01d 10398 . . . . . . . . . . . . 13 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → (𝐽 · 0) = 0)
137, 9, 123eqtrd 2786 . . . . . . . . . . . 12 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → 𝐼 = 0)
14 simpl 474 . . . . . . . . . . . . 13 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → (𝐾 = 0 ∧ 𝐽 ∈ ℕ))
15 nnnle0 11214 . . . . . . . . . . . . . . 15 (𝐽 ∈ ℕ → ¬ 𝐽 ≤ 0)
1615adantl 473 . . . . . . . . . . . . . 14 ((𝐾 = 0 ∧ 𝐽 ∈ ℕ) → ¬ 𝐽 ≤ 0)
17 simpl 474 . . . . . . . . . . . . . . 15 ((𝐾 = 0 ∧ 𝐽 ∈ ℕ) → 𝐾 = 0)
1817breq2d 4804 . . . . . . . . . . . . . 14 ((𝐾 = 0 ∧ 𝐽 ∈ ℕ) → (𝐽𝐾𝐽 ≤ 0))
1916, 18mtbird 314 . . . . . . . . . . . . 13 ((𝐾 = 0 ∧ 𝐽 ∈ ℕ) → ¬ 𝐽𝐾)
2014, 19syl 17 . . . . . . . . . . . 12 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → ¬ 𝐽𝐾)
21 mth8 158 . . . . . . . . . . . 12 (𝐼 = 0 → (¬ 𝐽𝐾 → ¬ (𝐼 = 0 → 𝐽𝐾)))
2213, 20, 21sylc 65 . . . . . . . . . . 11 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → ¬ (𝐼 = 0 → 𝐽𝐾))
2322pm2.21d 118 . . . . . . . . . 10 (((𝐾 = 0 ∧ 𝐽 ∈ ℕ) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾))) → ((𝐼 = 0 → 𝐽𝐾) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼)))
2423exp32 632 . . . . . . . . 9 ((𝐾 = 0 ∧ 𝐽 ∈ ℕ) → (𝑅𝑉 → (𝐼 = (𝐽 · 𝐾) → ((𝐼 = 0 → 𝐽𝐾) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼)))))
25243impd 1429 . . . . . . . 8 ((𝐾 = 0 ∧ 𝐽 ∈ ℕ) → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼)))
2625ex 449 . . . . . . 7 (𝐾 = 0 → (𝐽 ∈ ℕ → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))))
276, 26jaoi 393 . . . . . 6 ((𝐾 ∈ ℕ ∨ 𝐾 = 0) → (𝐽 ∈ ℕ → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))))
282, 27sylbi 207 . . . . 5 (𝐾 ∈ ℕ0 → (𝐽 ∈ ℕ → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))))
29 simplr 809 . . . . . . . . . . 11 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → 𝐽 = 0)
3029oveq2d 6817 . . . . . . . . . 10 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → (𝑅𝑟𝐽) = (𝑅𝑟0))
31 simpr1 1210 . . . . . . . . . . 11 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → 𝑅𝑉)
32 relexp0g 13932 . . . . . . . . . . 11 (𝑅𝑉 → (𝑅𝑟0) = ( I ↾ (dom 𝑅 ∪ ran 𝑅)))
3331, 32syl 17 . . . . . . . . . 10 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → (𝑅𝑟0) = ( I ↾ (dom 𝑅 ∪ ran 𝑅)))
3430, 33eqtrd 2782 . . . . . . . . 9 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → (𝑅𝑟𝐽) = ( I ↾ (dom 𝑅 ∪ ran 𝑅)))
3534oveq1d 6816 . . . . . . . 8 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (( I ↾ (dom 𝑅 ∪ ran 𝑅))↑𝑟𝐾))
36 dmexg 7250 . . . . . . . . . . 11 (𝑅𝑉 → dom 𝑅 ∈ V)
37 rnexg 7251 . . . . . . . . . . 11 (𝑅𝑉 → ran 𝑅 ∈ V)
38 unexg 7112 . . . . . . . . . . 11 ((dom 𝑅 ∈ V ∧ ran 𝑅 ∈ V) → (dom 𝑅 ∪ ran 𝑅) ∈ V)
3936, 37, 38syl2anc 696 . . . . . . . . . 10 (𝑅𝑉 → (dom 𝑅 ∪ ran 𝑅) ∈ V)
4031, 39syl 17 . . . . . . . . 9 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → (dom 𝑅 ∪ ran 𝑅) ∈ V)
41 simpll 807 . . . . . . . . 9 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → 𝐾 ∈ ℕ0)
42 relexpiidm 38467 . . . . . . . . 9 (((dom 𝑅 ∪ ran 𝑅) ∈ V ∧ 𝐾 ∈ ℕ0) → (( I ↾ (dom 𝑅 ∪ ran 𝑅))↑𝑟𝐾) = ( I ↾ (dom 𝑅 ∪ ran 𝑅)))
4340, 41, 42syl2anc 696 . . . . . . . 8 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → (( I ↾ (dom 𝑅 ∪ ran 𝑅))↑𝑟𝐾) = ( I ↾ (dom 𝑅 ∪ ran 𝑅)))
44 simpr2 1212 . . . . . . . . . . 11 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → 𝐼 = (𝐽 · 𝐾))
4529oveq1d 6816 . . . . . . . . . . 11 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → (𝐽 · 𝐾) = (0 · 𝐾))
4641nn0cnd 11516 . . . . . . . . . . . 12 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → 𝐾 ∈ ℂ)
4746mul02d 10397 . . . . . . . . . . 11 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → (0 · 𝐾) = 0)
4844, 45, 473eqtrd 2786 . . . . . . . . . 10 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → 𝐼 = 0)
4948oveq2d 6817 . . . . . . . . 9 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → (𝑅𝑟𝐼) = (𝑅𝑟0))
5049, 33eqtr2d 2783 . . . . . . . 8 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → ( I ↾ (dom 𝑅 ∪ ran 𝑅)) = (𝑅𝑟𝐼))
5135, 43, 503eqtrd 2786 . . . . . . 7 (((𝐾 ∈ ℕ0𝐽 = 0) ∧ (𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾))) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))
5251ex 449 . . . . . 6 ((𝐾 ∈ ℕ0𝐽 = 0) → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼)))
5352ex 449 . . . . 5 (𝐾 ∈ ℕ0 → (𝐽 = 0 → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))))
5428, 53jaod 394 . . . 4 (𝐾 ∈ ℕ0 → ((𝐽 ∈ ℕ ∨ 𝐽 = 0) → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))))
551, 54syl5bi 232 . . 3 (𝐾 ∈ ℕ0 → (𝐽 ∈ ℕ0 → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))))
5655impcom 445 . 2 ((𝐽 ∈ ℕ0𝐾 ∈ ℕ0) → ((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼)))
5756impcom 445 1 (((𝑅𝑉𝐼 = (𝐽 · 𝐾) ∧ (𝐼 = 0 → 𝐽𝐾)) ∧ (𝐽 ∈ ℕ0𝐾 ∈ ℕ0)) → ((𝑅𝑟𝐽)↑𝑟𝐾) = (𝑅𝑟𝐼))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wo 382  wa 383  w3a 1072   = wceq 1620  wcel 2127  Vcvv 3328  cun 3701   class class class wbr 4792   I cid 5161  dom cdm 5254  ran crn 5255  cres 5256  (class class class)co 6801  0cc0 10099   · cmul 10104  cle 10238  cn 11183  0cn0 11455  𝑟crelexp 13930
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1859  ax-4 1874  ax-5 1976  ax-6 2042  ax-7 2078  ax-8 2129  ax-9 2136  ax-10 2156  ax-11 2171  ax-12 2184  ax-13 2379  ax-ext 2728  ax-sep 4921  ax-nul 4929  ax-pow 4980  ax-pr 5043  ax-un 7102  ax-cnex 10155  ax-resscn 10156  ax-1cn 10157  ax-icn 10158  ax-addcl 10159  ax-addrcl 10160  ax-mulcl 10161  ax-mulrcl 10162  ax-mulcom 10163  ax-addass 10164  ax-mulass 10165  ax-distr 10166  ax-i2m1 10167  ax-1ne0 10168  ax-1rid 10169  ax-rnegex 10170  ax-rrecex 10171  ax-cnre 10172  ax-pre-lttri 10173  ax-pre-lttrn 10174  ax-pre-ltadd 10175  ax-pre-mulgt0 10176
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1073  df-3an 1074  df-tru 1623  df-ex 1842  df-nf 1847  df-sb 2035  df-eu 2599  df-mo 2600  df-clab 2735  df-cleq 2741  df-clel 2744  df-nfc 2879  df-ne 2921  df-nel 3024  df-ral 3043  df-rex 3044  df-reu 3045  df-rab 3047  df-v 3330  df-sbc 3565  df-csb 3663  df-dif 3706  df-un 3708  df-in 3710  df-ss 3717  df-pss 3719  df-nul 4047  df-if 4219  df-pw 4292  df-sn 4310  df-pr 4312  df-tp 4314  df-op 4316  df-uni 4577  df-iun 4662  df-br 4793  df-opab 4853  df-mpt 4870  df-tr 4893  df-id 5162  df-eprel 5167  df-po 5175  df-so 5176  df-fr 5213  df-we 5215  df-xp 5260  df-rel 5261  df-cnv 5262  df-co 5263  df-dm 5264  df-rn 5265  df-res 5266  df-ima 5267  df-pred 5829  df-ord 5875  df-on 5876  df-lim 5877  df-suc 5878  df-iota 6000  df-fun 6039  df-fn 6040  df-f 6041  df-f1 6042  df-fo 6043  df-f1o 6044  df-fv 6045  df-riota 6762  df-ov 6804  df-oprab 6805  df-mpt2 6806  df-om 7219  df-2nd 7322  df-wrecs 7564  df-recs 7625  df-rdg 7663  df-er 7899  df-en 8110  df-dom 8111  df-sdom 8112  df-pnf 10239  df-mnf 10240  df-xr 10241  df-ltxr 10242  df-le 10243  df-sub 10431  df-neg 10432  df-nn 11184  df-n0 11456  df-z 11541  df-uz 11851  df-seq 12967  df-relexp 13931
This theorem is referenced by: (None)
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