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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 3474 | . 2 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V) | |
| 2 | nnnn0 12538 | . . . . . . 7 ⊢ (𝑛 ∈ ℕ → 𝑛 ∈ ℕ0) | |
| 3 | relexpcnv 15110 | . . . . . . 7 ⊢ ((𝑛 ∈ ℕ0 ∧ 𝑅 ∈ V) → ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛)) | |
| 4 | 2, 3 | sylan 592 | . . . . . 6 ⊢ ((𝑛 ∈ ℕ ∧ 𝑅 ∈ V) → ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛)) |
| 5 | 4 | expcom 419 | . . . . 5 ⊢ (𝑅 ∈ V → (𝑛 ∈ ℕ → ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛))) |
| 6 | 5 | ralrimiv 3155 | . . . 4 ⊢ (𝑅 ∈ V → ∀𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛)) |
| 7 | iuneq2 4974 | . . . 4 ⊢ (∀𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) = (◡𝑅↑𝑟𝑛) → ∪ 𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) | |
| 8 | 6, 7 | syl 18 | . . 3 ⊢ (𝑅 ∈ V → ∪ 𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) |
| 9 | oveq1 7423 | . . . . . . 7 ⊢ (𝑟 = 𝑅 → (𝑟↑𝑟𝑛) = (𝑅↑𝑟𝑛)) | |
| 10 | 9 | iuneq2d 4985 | . . . . . 6 ⊢ (𝑟 = 𝑅 → ∪ 𝑛 ∈ ℕ (𝑟↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛)) |
| 11 | dftrcl3 44547 | . . . . . 6 ⊢ t+ = (𝑟 ∈ V ↦ ∪ 𝑛 ∈ ℕ (𝑟↑𝑟𝑛)) | |
| 12 | nnex 12266 | . . . . . . 7 ⊢ ℕ ∈ V | |
| 13 | ovex 7449 | . . . . . . 7 ⊢ (𝑅↑𝑟𝑛) ∈ V | |
| 14 | 12, 13 | iunex 7968 | . . . . . 6 ⊢ ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ∈ V |
| 15 | 10, 11, 14 | fvmpt 6990 | . . . . 5 ⊢ (𝑅 ∈ V → (t+‘𝑅) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛)) |
| 16 | 15 | cnveqd 5859 | . . . 4 ⊢ (𝑅 ∈ V → ◡(t+‘𝑅) = ◡∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛)) |
| 17 | cnviun 44477 | . . . 4 ⊢ ◡∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛) | |
| 18 | 16, 17 | eqtrdi 2813 | . . 3 ⊢ (𝑅 ∈ V → ◡(t+‘𝑅) = ∪ 𝑛 ∈ ℕ ◡(𝑅↑𝑟𝑛)) |
| 19 | cnvexg 7924 | . . . 4 ⊢ (𝑅 ∈ V → ◡𝑅 ∈ V) | |
| 20 | oveq1 7423 | . . . . . 6 ⊢ (𝑠 = ◡𝑅 → (𝑠↑𝑟𝑛) = (◡𝑅↑𝑟𝑛)) | |
| 21 | 20 | iuneq2d 4985 | . . . . 5 ⊢ (𝑠 = ◡𝑅 → ∪ 𝑛 ∈ ℕ (𝑠↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) |
| 22 | dftrcl3 44547 | . . . . 5 ⊢ t+ = (𝑠 ∈ V ↦ ∪ 𝑛 ∈ ℕ (𝑠↑𝑟𝑛)) | |
| 23 | ovex 7449 | . . . . . 6 ⊢ (◡𝑅↑𝑟𝑛) ∈ V | |
| 24 | 12, 23 | iunex 7968 | . . . . 5 ⊢ ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛) ∈ V |
| 25 | 21, 22, 24 | fvmpt 6990 | . . . 4 ⊢ (◡𝑅 ∈ V → (t+‘◡𝑅) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) |
| 26 | 19, 25 | syl 18 | . . 3 ⊢ (𝑅 ∈ V → (t+‘◡𝑅) = ∪ 𝑛 ∈ ℕ (◡𝑅↑𝑟𝑛)) |
| 27 | 8, 18, 26 | 3eqtr4d 2807 | . 2 ⊢ (𝑅 ∈ V → ◡(t+‘𝑅) = (t+‘◡𝑅)) |
| 28 | 1, 27 | syl 18 | 1 ⊢ (𝑅 ∈ 𝑉 → ◡(t+‘𝑅) = (t+‘◡𝑅)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ∀wral 3078 Vcvv 3453 ∪ ciun 4954 ◡ccnv 5658 ‘cfv 6537 (class class class)co 7416 ℕcn 12260 ℕ0cn0 12531 t+ctcl 15060 ↑𝑟crelexp 15094 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 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 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-int 4911 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7866 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-n0 12532 df-z 12619 df-uz 12891 df-seq 14068 df-trcl 15062 df-relexp 15095 |
| This theorem is used by: rntrclfvRP 44558 |
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