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| Mirrors > Home > MPE Home > Th. List > hlgrcl2 | Structured version Visualization version GIF version | ||
| Description: Reverse closure for rays. (Contributed by Thierry Arnoux, 13-Jul-2026.) |
| Ref | Expression |
|---|---|
| ishlg.p | ⊢ 𝑃 = (Base‘𝐺) |
| ishlg.i | ⊢ 𝐼 = (Itv‘𝐺) |
| ishlg.k | ⊢ 𝐾 = (hlG‘𝐺) |
| ishlg2.g | ⊢ (𝜑 → 𝐺 ∈ 𝑉) |
| ishlg2.1 | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| hlgrcl1.1 | ⊢ (𝜑 → 𝐴(𝐾‘𝐶)𝐵) |
| Ref | Expression |
|---|---|
| hlgrcl2 | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hlgrcl1.1 | . . 3 ⊢ (𝜑 → 𝐴(𝐾‘𝐶)𝐵) | |
| 2 | ishlg.p | . . . 4 ⊢ 𝑃 = (Base‘𝐺) | |
| 3 | ishlg.i | . . . 4 ⊢ 𝐼 = (Itv‘𝐺) | |
| 4 | ishlg.k | . . . 4 ⊢ 𝐾 = (hlG‘𝐺) | |
| 5 | ishlg2.g | . . . 4 ⊢ (𝜑 → 𝐺 ∈ 𝑉) | |
| 6 | ishlg2.1 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 7 | 2, 3, 4, 5, 6 | ishlg2 28882 | . . 3 ⊢ (𝜑 → (𝐴(𝐾‘𝐶)𝐵 ↔ ((𝐴 ∈ 𝑃 ∧ 𝐵 ∈ 𝑃) ∧ (𝐴 ≠ 𝐶 ∧ 𝐵 ≠ 𝐶 ∧ (𝐴 ∈ (𝐶𝐼𝐵) ∨ 𝐵 ∈ (𝐶𝐼𝐴)))))) |
| 8 | 1, 7 | mpbid 235 | . 2 ⊢ (𝜑 → ((𝐴 ∈ 𝑃 ∧ 𝐵 ∈ 𝑃) ∧ (𝐴 ≠ 𝐶 ∧ 𝐵 ≠ 𝐶 ∧ (𝐴 ∈ (𝐶𝐼𝐵) ∨ 𝐵 ∈ (𝐶𝐼𝐴))))) |
| 9 | 8 | simplrd 781 | 1 ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 ∨ wo 860 ∧ w3a 1102 = wceq 1569 ∈ wcel 2142 ≠ wne 2957 class class class wbr 5108 ‘cfv 6536 (class class class)co 7412 Basecbs 17275 Itvcitv 28713 hlGchlg 28880 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-id 5555 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7415 df-hlg 28881 |
| This theorem is used by: (None) |
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