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Related theorems GIF version |
| Description: Variable to class conversion of transitive, reflexive relation. |
| Ref | Expression |
|---|---|
| vtoclr.1 | ⊢ Rel R |
| vtoclr.2 | ⊢ ((xRy ∧ yRz) → xRz) |
| vtoclrbr.3 | ⊢ xRx |
| Ref | Expression |
|---|---|
| vtoclrbr | ⊢ ((ARB ∧ BRC) → ARC) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vtoclr.1 | . . 3 ⊢ Rel R | |
| 2 | vtoclr.2 | . . 3 ⊢ ((xRy ∧ yRz) → xRz) | |
| 3 | 1, 2 | vtoclr 2449 | . 2 ⊢ (C ∈ V → ((ARB ∧ BRC) → ARC)) |
| 4 | brprc 2097 | . . . . 5 ⊢ (¬ C ∈ V → (ARC ↔ ARA)) | |
| 5 | breq1 2065 | . . . . . . 7 ⊢ (x = A → (xRx ↔ ARx)) | |
| 6 | breq2 2066 | . . . . . . 7 ⊢ (x = A → (ARx ↔ ARA)) | |
| 7 | 5, 6 | bitrd 406 | . . . . . 6 ⊢ (x = A → (xRx ↔ ARA)) |
| 8 | vtoclrbr.3 | . . . . . 6 ⊢ xRx | |
| 9 | 7, 8 | vtoclg 1383 | . . . . 5 ⊢ (A ∈ V → ARA) |
| 10 | 4, 9 | syl5bir 184 | . . . 4 ⊢ (¬ C ∈ V → (A ∈ V → ARC)) |
| 11 | 1 | brrelexi 2447 | . . . 4 ⊢ (ARB → A ∈ V) |
| 12 | 10, 11 | syl5 22 | . . 3 ⊢ (¬ C ∈ V → (ARB → ARC)) |
| 13 | 12 | adantrd 308 | . 2 ⊢ (¬ C ∈ V → ((ARB ∧ BRC) → ARC)) |
| 14 | 3, 13 | pm2.61i 110 | 1 ⊢ ((ARB ∧ BRC) → ARC) |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 1 → wi 2 ∧ wa 196 = wceq 1091 ∈ wcel 1092 Vcvv 1348 class class class wbr 2054 Rel wrel 2415 |
| This theorem is referenced by: entrt 3319 domtr 3320 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-pw 1799 df-sn 1811 df-pr 1812 df-op 1815 df-br 2063 df-opab 2098 df-xp 2424 df-rel 2425 |