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| Mirrors > Home > HSE Home > Th. List > chjvali | Structured version Visualization version GIF version | ||
| Description: Value of join in Cℋ. (Contributed by NM, 9-Aug-2000.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| chjval.1 | ⊢ 𝐴 ∈ Cℋ |
| chjval.2 | ⊢ 𝐵 ∈ Cℋ |
| Ref | Expression |
|---|---|
| chjvali | ⊢ (𝐴 ∨ℋ 𝐵) = (⊥‘(⊥‘(𝐴 ∪ 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | chjval.1 | . 2 ⊢ 𝐴 ∈ Cℋ | |
| 2 | chjval.2 | . 2 ⊢ 𝐵 ∈ Cℋ | |
| 3 | chjval 31442 | . 2 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 ∨ℋ 𝐵) = (⊥‘(⊥‘(𝐴 ∪ 𝐵)))) | |
| 4 | 1, 2, 3 | mp2an 698 | 1 ⊢ (𝐴 ∨ℋ 𝐵) = (⊥‘(⊥‘(𝐴 ∪ 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ∈ wcel 2119 ∪ cun 3881 ‘cfv 6486 (class class class)co 7357 Cℋ cch 31019 ⊥cort 31020 ∨ℋ chj 31023 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5219 ax-nul 5229 ax-pr 5363 ax-hilex 31089 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-sbc 3724 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4263 df-if 4456 df-pw 4532 df-sn 4557 df-pr 4559 df-op 4563 df-uni 4840 df-br 5074 df-opab 5136 df-id 5514 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-iota 6442 df-fun 6488 df-fv 6494 df-ov 7360 df-oprab 7361 df-mpo 7362 df-sh 31297 df-ch 31311 df-chj 31400 |
| This theorem is referenced by: chj0i 31545 sshhococi 31636 |
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