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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fvmptiunrelexplb0da | Structured version Visualization version GIF version | ||
| 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.) |
| Ref | Expression |
|---|---|
| fvmptiunrelexplb0da.c | ⊢ 𝐶 = (𝑟 ∈ V ↦ ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛)) |
| fvmptiunrelexplb0da.r | ⊢ (𝜑 → 𝑅 ∈ V) |
| fvmptiunrelexplb0da.n | ⊢ (𝜑 → 𝑁 ∈ V) |
| fvmptiunrelexplb0da.rel | ⊢ (𝜑 → Rel 𝑅) |
| fvmptiunrelexplb0da.0 | ⊢ (𝜑 → 0 ∈ 𝑁) |
| Ref | Expression |
|---|---|
| fvmptiunrelexplb0da | ⊢ (𝜑 → ( I ↾ ∪ ∪ 𝑅) ⊆ (𝐶‘𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvmptiunrelexplb0da.rel | . . . 4 ⊢ (𝜑 → Rel 𝑅) | |
| 2 | relfld 6235 | . . . 4 ⊢ (Rel 𝑅 → ∪ ∪ 𝑅 = (dom 𝑅 ∪ ran 𝑅)) | |
| 3 | 1, 2 | syl 17 | . . 3 ⊢ (𝜑 → ∪ ∪ 𝑅 = (dom 𝑅 ∪ ran 𝑅)) |
| 4 | 3 | reseq2d 5940 | . 2 ⊢ (𝜑 → ( I ↾ ∪ ∪ 𝑅) = ( I ↾ (dom 𝑅 ∪ ran 𝑅))) |
| 5 | fvmptiunrelexplb0da.c | . . 3 ⊢ 𝐶 = (𝑟 ∈ V ↦ ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛)) | |
| 6 | fvmptiunrelexplb0da.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ V) | |
| 7 | fvmptiunrelexplb0da.n | . . 3 ⊢ (𝜑 → 𝑁 ∈ V) | |
| 8 | fvmptiunrelexplb0da.0 | . . 3 ⊢ (𝜑 → 0 ∈ 𝑁) | |
| 9 | 5, 6, 7, 8 | fvmptiunrelexplb0d 44133 | . 2 ⊢ (𝜑 → ( I ↾ (dom 𝑅 ∪ ran 𝑅)) ⊆ (𝐶‘𝑅)) |
| 10 | 4, 9 | eqsstrd 3957 | 1 ⊢ (𝜑 → ( I ↾ ∪ ∪ 𝑅) ⊆ (𝐶‘𝑅)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 Vcvv 3430 ∪ cun 3888 ⊆ wss 3890 ∪ cuni 4851 ∪ ciun 4934 ↦ cmpt 5167 I cid 5520 dom cdm 5626 ran crn 5627 ↾ cres 5628 Rel wrel 5631 ‘cfv 6494 (class class class)co 7362 0cc0 11033 ↑𝑟crelexp 14976 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5304 ax-pr 5372 ax-un 7684 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-mulcl 11095 ax-i2m1 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5521 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-iota 6450 df-fun 6496 df-fv 6502 df-ov 7365 df-oprab 7366 df-mpo 7367 df-n0 12433 df-relexp 14977 |
| This theorem is referenced by: fvrcllb0da 44143 fvrtrcllb0da 44185 |
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