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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fvmptiunrelexplb1d | Structured version Visualization version GIF version | ||
| Description: If the indexed union ranges over the first power of the relation, then the relation is a subset of the appliction of the function to the relation. (Contributed by RP, 22-Jul-2020.) |
| Ref | Expression |
|---|---|
| fvmptiunrelexplb1d.c | ⊢ 𝐶 = (𝑟 ∈ V ↦ ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛)) |
| fvmptiunrelexplb1d.r | ⊢ (𝜑 → 𝑅 ∈ V) |
| fvmptiunrelexplb1d.n | ⊢ (𝜑 → 𝑁 ∈ V) |
| fvmptiunrelexplb1d.1 | ⊢ (𝜑 → 1 ∈ 𝑁) |
| Ref | Expression |
|---|---|
| fvmptiunrelexplb1d | ⊢ (𝜑 → 𝑅 ⊆ (𝐶‘𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvmptiunrelexplb1d.1 | . . 3 ⊢ (𝜑 → 1 ∈ 𝑁) | |
| 2 | oveq2 7420 | . . . 4 ⊢ (𝑛 = 1 → (𝑅↑𝑟𝑛) = (𝑅↑𝑟1)) | |
| 3 | 2 | ssiun2s 5012 | . . 3 ⊢ (1 ∈ 𝑁 → (𝑅↑𝑟1) ⊆ ∪ 𝑛 ∈ 𝑁 (𝑅↑𝑟𝑛)) |
| 4 | 1, 3 | syl 18 | . 2 ⊢ (𝜑 → (𝑅↑𝑟1) ⊆ ∪ 𝑛 ∈ 𝑁 (𝑅↑𝑟𝑛)) |
| 5 | fvmptiunrelexplb1d.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ V) | |
| 6 | 5 | relexp1d 15073 | . 2 ⊢ (𝜑 → (𝑅↑𝑟1) = 𝑅) |
| 7 | fvmptiunrelexplb1d.c | . . . 4 ⊢ 𝐶 = (𝑟 ∈ V ↦ ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛)) | |
| 8 | oveq1 7419 | . . . . 5 ⊢ (𝑟 = 𝑅 → (𝑟↑𝑟𝑛) = (𝑅↑𝑟𝑛)) | |
| 9 | 8 | iuneq2d 4986 | . . . 4 ⊢ (𝑟 = 𝑅 → ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛) = ∪ 𝑛 ∈ 𝑁 (𝑅↑𝑟𝑛)) |
| 10 | fvmptiunrelexplb1d.n | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ V) | |
| 11 | ovex 7445 | . . . . . 6 ⊢ (𝑅↑𝑟𝑛) ∈ V | |
| 12 | 11 | rgenw 3082 | . . . . 5 ⊢ ∀𝑛 ∈ 𝑁 (𝑅↑𝑟𝑛) ∈ V |
| 13 | iunexg 7958 | . . . . 5 ⊢ ((𝑁 ∈ V ∧ ∀𝑛 ∈ 𝑁 (𝑅↑𝑟𝑛) ∈ V) → ∪ 𝑛 ∈ 𝑁 (𝑅↑𝑟𝑛) ∈ V) | |
| 14 | 10, 12, 13 | sylancl 597 | . . . 4 ⊢ (𝜑 → ∪ 𝑛 ∈ 𝑁 (𝑅↑𝑟𝑛) ∈ V) |
| 15 | 7, 9, 5, 14 | fvmptd3 7013 | . . 3 ⊢ (𝜑 → (𝐶‘𝑅) = ∪ 𝑛 ∈ 𝑁 (𝑅↑𝑟𝑛)) |
| 16 | 15 | eqcomd 2768 | . 2 ⊢ (𝜑 → ∪ 𝑛 ∈ 𝑁 (𝑅↑𝑟𝑛) = (𝐶‘𝑅)) |
| 17 | 4, 6, 16 | 3sstr3d 3990 | 1 ⊢ (𝜑 → 𝑅 ⊆ (𝐶‘𝑅)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2142 ∀wral 3078 Vcvv 3454 ⊆ wss 3904 ∪ ciun 4955 ↦ cmpt 5191 ‘cfv 6536 (class class class)co 7412 1c1 11107 ↑𝑟crelexp 15063 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5555 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-we 5615 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7861 df-2nd 7985 df-frecs 8276 df-wrecs 8307 df-recs 8356 df-rdg 8395 df-er 8692 df-en 8942 df-dom 8943 df-sdom 8944 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11449 df-neg 11450 df-nn 12240 df-n0 12511 df-z 12598 df-uz 12869 df-seq 14045 df-relexp 15064 |
| This theorem is used by: fvilbdRP 44444 fvrcllb1d 44449 fvtrcllb1d 44476 fvrtrcllb1d 44491 |
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