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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cnvtrclfv | Structured version Visualization version GIF version | ||
| Description: The converse of the transitive closure is equal to the transitive closure of the converse relation. (Contributed by RP, 19-Jul-2020.) |
| Ref | Expression |
|---|---|
| cnvtrclfv | ⊢ (𝑅 ∈ 𝑉 → ◡(t+‘𝑅) = (t+‘◡𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 3463 | . 2 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V) | |
| 2 | nnnn0 12422 | . . . . . . 7 ⊢ (𝑛 ∈ ℕ → 𝑛 ∈ ℕ0) | |
| 3 | relexpcnv 14972 | . . . . . . 7 ⊢ ((𝑛 ∈ ℕ0 ∧ 𝑅 ∈ V) → ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛)) | |
| 4 | 2, 3 | sylan 581 | . . . . . 6 ⊢ ((𝑛 ∈ ℕ ∧ 𝑅 ∈ V) → ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛)) |
| 5 | 4 | expcom 413 | . . . . 5 ⊢ (𝑅 ∈ V → (𝑛 ∈ ℕ → ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛))) |
| 6 | 5 | ralrimiv 3129 | . . . 4 ⊢ (𝑅 ∈ V → ∀𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛)) |
| 7 | iuneq2 4968 | . . . 4 ⊢ (∀𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛) → ∪ 𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) | |
| 8 | 6, 7 | syl 17 | . . 3 ⊢ (𝑅 ∈ V → ∪ 𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) |
| 9 | oveq1 7377 | . . . . . . 7 ⊢ (𝑟 = 𝑅 → (𝑟↑𝑟𝑛) = (𝑅↑𝑟𝑛)) | |
| 10 | 9 | iuneq2d 4979 | . . . . . 6 ⊢ (𝑟 = 𝑅 → ∪ 𝑛 ∈ ℕ (𝑟↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛)) |
| 11 | dftrcl3 44105 | . . . . . 6 ⊢ t+ = (𝑟 ∈ V ↦ ∪ 𝑛 ∈ ℕ (𝑟↑𝑟𝑛)) | |
| 12 | nnex 12165 | . . . . . . 7 ⊢ ℕ ∈ V | |
| 13 | ovex 7403 | . . . . . . 7 ⊢ (𝑅↑𝑟𝑛) ∈ V | |
| 14 | 12, 13 | iunex 7924 | . . . . . 6 ⊢ ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ∈ V |
| 15 | 10, 11, 14 | fvmpt 6951 | . . . . 5 ⊢ (𝑅 ∈ V → (t+‘𝑅) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛)) |
| 16 | 15 | cnveqd 5834 | . . . 4 ⊢ (𝑅 ∈ V → ◡(t+‘𝑅) = ◡∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛)) |
| 17 | cnviun 44035 | . . . 4 ⊢ ◡∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) | |
| 18 | 16, 17 | eqtrdi 2788 | . . 3 ⊢ (𝑅 ∈ V → ◡(t+‘𝑅) = ∪ 𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛)) |
| 19 | cnvexg 7878 | . . . 4 ⊢ (𝑅 ∈ V → ◡𝑅 ∈ V) | |
| 20 | oveq1 7377 | . . . . . 6 ⊢ (𝑠 = ◡𝑅 → (𝑠↑𝑟𝑛) = (◡𝑅↑𝑟𝑛)) | |
| 21 | 20 | iuneq2d 4979 | . . . . 5 ⊢ (𝑠 = ◡𝑅 → ∪ 𝑛 ∈ ℕ (𝑠↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) |
| 22 | dftrcl3 44105 | . . . . 5 ⊢ t+ = (𝑠 ∈ V ↦ ∪ 𝑛 ∈ ℕ (𝑠↑𝑟𝑛)) | |
| 23 | ovex 7403 | . . . . . 6 ⊢ (◡𝑅↑𝑟𝑛) ∈ V | |
| 24 | 12, 23 | iunex 7924 | . . . . 5 ⊢ ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛) ∈ V |
| 25 | 21, 22, 24 | fvmpt 6951 | . . . 4 ⊢ (◡𝑅 ∈ V → (t+‘◡𝑅) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) |
| 26 | 19, 25 | syl 17 | . . 3 ⊢ (𝑅 ∈ V → (t+‘◡𝑅) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) |
| 27 | 8, 18, 26 | 3eqtr4d 2782 | . 2 ⊢ (𝑅 ∈ V → ◡(t+‘𝑅) = (t+‘◡𝑅)) |
| 28 | 1, 27 | syl 17 | 1 ⊢ (𝑅 ∈ 𝑉 → ◡(t+‘𝑅) = (t+‘◡𝑅)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ∀wral 3052 Vcvv 3442 ∪ ciun 4948 ◡ccnv 5633 ‘cfv 6502 (class class class)co 7370 ℕcn 12159 ℕ0cn0 12415 t+ctcl 14922 ↑𝑟crelexp 14956 |
| 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 5226 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 ax-cnex 11096 ax-resscn 11097 ax-1cn 11098 ax-icn 11099 ax-addcl 11100 ax-addrcl 11101 ax-mulcl 11102 ax-mulrcl 11103 ax-mulcom 11104 ax-addass 11105 ax-mulass 11106 ax-distr 11107 ax-i2m1 11108 ax-1ne0 11109 ax-1rid 11110 ax-rnegex 11111 ax-rrecex 11112 ax-cnre 11113 ax-pre-lttri 11114 ax-pre-lttrn 11115 ax-pre-ltadd 11116 ax-pre-mulgt0 11117 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 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-nel 3038 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5529 df-eprel 5534 df-po 5542 df-so 5543 df-fr 5587 df-we 5589 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-pred 6269 df-ord 6330 df-on 6331 df-lim 6332 df-suc 6333 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-riota 7327 df-ov 7373 df-oprab 7374 df-mpo 7375 df-om 7821 df-2nd 7946 df-frecs 8235 df-wrecs 8266 df-recs 8315 df-rdg 8353 df-er 8647 df-en 8898 df-dom 8899 df-sdom 8900 df-pnf 11182 df-mnf 11183 df-xr 11184 df-ltxr 11185 df-le 11186 df-sub 11380 df-neg 11381 df-nn 12160 df-2 12222 df-n0 12416 df-z 12503 df-uz 12766 df-seq 13939 df-trcl 14924 df-relexp 14957 |
| This theorem is referenced by: rntrclfvRP 44116 |
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