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Mirrors > Home > ILE Home > Th. List > swopolem | GIF version |
Description: Perform the substitutions into the strict weak ordering law. (Contributed by Mario Carneiro, 31-Dec-2014.) |
Ref | Expression |
---|---|
swopolem.1 | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴 ∧ 𝑧 ∈ 𝐴)) → (𝑥𝑅𝑦 → (𝑥𝑅𝑧 ∨ 𝑧𝑅𝑦))) |
Ref | Expression |
---|---|
swopolem | ⊢ ((𝜑 ∧ (𝑋 ∈ 𝐴 ∧ 𝑌 ∈ 𝐴 ∧ 𝑍 ∈ 𝐴)) → (𝑋𝑅𝑌 → (𝑋𝑅𝑍 ∨ 𝑍𝑅𝑌))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | swopolem.1 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴 ∧ 𝑧 ∈ 𝐴)) → (𝑥𝑅𝑦 → (𝑥𝑅𝑧 ∨ 𝑧𝑅𝑦))) | |
2 | 1 | ralrimivvva 2560 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ∀𝑧 ∈ 𝐴 (𝑥𝑅𝑦 → (𝑥𝑅𝑧 ∨ 𝑧𝑅𝑦))) |
3 | breq1 4007 | . . . 4 ⊢ (𝑥 = 𝑋 → (𝑥𝑅𝑦 ↔ 𝑋𝑅𝑦)) | |
4 | breq1 4007 | . . . . 5 ⊢ (𝑥 = 𝑋 → (𝑥𝑅𝑧 ↔ 𝑋𝑅𝑧)) | |
5 | 4 | orbi1d 791 | . . . 4 ⊢ (𝑥 = 𝑋 → ((𝑥𝑅𝑧 ∨ 𝑧𝑅𝑦) ↔ (𝑋𝑅𝑧 ∨ 𝑧𝑅𝑦))) |
6 | 3, 5 | imbi12d 234 | . . 3 ⊢ (𝑥 = 𝑋 → ((𝑥𝑅𝑦 → (𝑥𝑅𝑧 ∨ 𝑧𝑅𝑦)) ↔ (𝑋𝑅𝑦 → (𝑋𝑅𝑧 ∨ 𝑧𝑅𝑦)))) |
7 | breq2 4008 | . . . 4 ⊢ (𝑦 = 𝑌 → (𝑋𝑅𝑦 ↔ 𝑋𝑅𝑌)) | |
8 | breq2 4008 | . . . . 5 ⊢ (𝑦 = 𝑌 → (𝑧𝑅𝑦 ↔ 𝑧𝑅𝑌)) | |
9 | 8 | orbi2d 790 | . . . 4 ⊢ (𝑦 = 𝑌 → ((𝑋𝑅𝑧 ∨ 𝑧𝑅𝑦) ↔ (𝑋𝑅𝑧 ∨ 𝑧𝑅𝑌))) |
10 | 7, 9 | imbi12d 234 | . . 3 ⊢ (𝑦 = 𝑌 → ((𝑋𝑅𝑦 → (𝑋𝑅𝑧 ∨ 𝑧𝑅𝑦)) ↔ (𝑋𝑅𝑌 → (𝑋𝑅𝑧 ∨ 𝑧𝑅𝑌)))) |
11 | breq2 4008 | . . . . 5 ⊢ (𝑧 = 𝑍 → (𝑋𝑅𝑧 ↔ 𝑋𝑅𝑍)) | |
12 | breq1 4007 | . . . . 5 ⊢ (𝑧 = 𝑍 → (𝑧𝑅𝑌 ↔ 𝑍𝑅𝑌)) | |
13 | 11, 12 | orbi12d 793 | . . . 4 ⊢ (𝑧 = 𝑍 → ((𝑋𝑅𝑧 ∨ 𝑧𝑅𝑌) ↔ (𝑋𝑅𝑍 ∨ 𝑍𝑅𝑌))) |
14 | 13 | imbi2d 230 | . . 3 ⊢ (𝑧 = 𝑍 → ((𝑋𝑅𝑌 → (𝑋𝑅𝑧 ∨ 𝑧𝑅𝑌)) ↔ (𝑋𝑅𝑌 → (𝑋𝑅𝑍 ∨ 𝑍𝑅𝑌)))) |
15 | 6, 10, 14 | rspc3v 2858 | . 2 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑌 ∈ 𝐴 ∧ 𝑍 ∈ 𝐴) → (∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ∀𝑧 ∈ 𝐴 (𝑥𝑅𝑦 → (𝑥𝑅𝑧 ∨ 𝑧𝑅𝑦)) → (𝑋𝑅𝑌 → (𝑋𝑅𝑍 ∨ 𝑍𝑅𝑌)))) |
16 | 2, 15 | mpan9 281 | 1 ⊢ ((𝜑 ∧ (𝑋 ∈ 𝐴 ∧ 𝑌 ∈ 𝐴 ∧ 𝑍 ∈ 𝐴)) → (𝑋𝑅𝑌 → (𝑋𝑅𝑍 ∨ 𝑍𝑅𝑌))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 104 ∨ wo 708 ∧ w3a 978 = wceq 1353 ∈ wcel 2148 ∀wral 2455 class class class wbr 4004 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-v 2740 df-un 3134 df-sn 3599 df-pr 3600 df-op 3602 df-br 4005 |
This theorem is referenced by: swoer 6563 swoord1 6564 swoord2 6565 |
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