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Theorem fvmptiunrelexplb0da 43180
Description: If the indexed union ranges over the zeroth power of the relation, then a restriction of the identity relation is a subset of the appliction of the function to the relation. (Contributed by RP, 22-Jul-2020.)
Hypotheses
Ref Expression
fvmptiunrelexplb0da.c 𝐶 = (𝑟 ∈ V ↦ 𝑛𝑁 (𝑟𝑟𝑛))
fvmptiunrelexplb0da.r (𝜑𝑅 ∈ V)
fvmptiunrelexplb0da.n (𝜑𝑁 ∈ V)
fvmptiunrelexplb0da.rel (𝜑 → Rel 𝑅)
fvmptiunrelexplb0da.0 (𝜑 → 0 ∈ 𝑁)
Assertion
Ref Expression
fvmptiunrelexplb0da (𝜑 → ( I ↾ 𝑅) ⊆ (𝐶𝑅))
Distinct variable groups:   𝑛,𝑟,𝐶,𝑁   𝑅,𝑛,𝑟
Allowed substitution hints:   𝜑(𝑛,𝑟)

Proof of Theorem fvmptiunrelexplb0da
StepHypRef Expression
1 fvmptiunrelexplb0da.rel . . . 4 (𝜑 → Rel 𝑅)
2 relfld 6279 . . . 4 (Rel 𝑅 𝑅 = (dom 𝑅 ∪ ran 𝑅))
31, 2syl 17 . . 3 (𝜑 𝑅 = (dom 𝑅 ∪ ran 𝑅))
43reseq2d 5984 . 2 (𝜑 → ( I ↾ 𝑅) = ( I ↾ (dom 𝑅 ∪ ran 𝑅)))
5 fvmptiunrelexplb0da.c . . 3 𝐶 = (𝑟 ∈ V ↦ 𝑛𝑁 (𝑟𝑟𝑛))
6 fvmptiunrelexplb0da.r . . 3 (𝜑𝑅 ∈ V)
7 fvmptiunrelexplb0da.n . . 3 (𝜑𝑁 ∈ V)
8 fvmptiunrelexplb0da.0 . . 3 (𝜑 → 0 ∈ 𝑁)
95, 6, 7, 8fvmptiunrelexplb0d 43179 . 2 (𝜑 → ( I ↾ (dom 𝑅 ∪ ran 𝑅)) ⊆ (𝐶𝑅))
104, 9eqsstrd 4016 1 (𝜑 → ( I ↾ 𝑅) ⊆ (𝐶𝑅))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1533  wcel 2098  Vcvv 3463  cun 3943  wss 3945   cuni 4908   ciun 4996  cmpt 5231   I cid 5574  dom cdm 5677  ran crn 5678  cres 5679  Rel wrel 5682  cfv 6547  (class class class)co 7417  0cc0 11138  𝑟crelexp 14998
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1905  ax-6 1963  ax-7 2003  ax-8 2100  ax-9 2108  ax-10 2129  ax-11 2146  ax-12 2166  ax-ext 2696  ax-rep 5285  ax-sep 5299  ax-nul 5306  ax-pow 5364  ax-pr 5428  ax-un 7739  ax-1cn 11196  ax-icn 11197  ax-addcl 11198  ax-mulcl 11200  ax-i2m1 11206
This theorem depends on definitions:  df-bi 206  df-an 395  df-or 846  df-3an 1086  df-tru 1536  df-fal 1546  df-ex 1774  df-nf 1778  df-sb 2060  df-mo 2528  df-eu 2557  df-clab 2703  df-cleq 2717  df-clel 2802  df-nfc 2877  df-ne 2931  df-ral 3052  df-rex 3061  df-rab 3420  df-v 3465  df-sbc 3775  df-dif 3948  df-un 3950  df-in 3952  df-ss 3962  df-nul 4324  df-if 4530  df-pw 4605  df-sn 4630  df-pr 4632  df-op 4636  df-uni 4909  df-iun 4998  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5575  df-xp 5683  df-rel 5684  df-cnv 5685  df-co 5686  df-dm 5687  df-rn 5688  df-res 5689  df-iota 6499  df-fun 6549  df-fv 6555  df-ov 7420  df-oprab 7421  df-mpo 7422  df-n0 12503  df-relexp 14999
This theorem is referenced by:  fvrcllb0da  43189  fvrtrcllb0da  43231
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