| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > dicdmN | Structured version Visualization version GIF version | ||
| Description: Domain of the partial isomorphism C. (Contributed by NM, 8-Mar-2014.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| dicfn.l | ⊢ ≤ = (le‘𝐾) |
| dicfn.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| dicfn.h | ⊢ 𝐻 = (LHyp‘𝐾) |
| dicfn.i | ⊢ 𝐼 = ((DIsoC‘𝐾)‘𝑊) |
| Ref | Expression |
|---|---|
| dicdmN | ⊢ ((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) → dom 𝐼 = {𝑝 ∈ 𝐴 ∣ ¬ 𝑝 ≤ 𝑊}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dicfn.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 2 | dicfn.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 3 | dicfn.h | . . 3 ⊢ 𝐻 = (LHyp‘𝐾) | |
| 4 | dicfn.i | . . 3 ⊢ 𝐼 = ((DIsoC‘𝐾)‘𝑊) | |
| 5 | 1, 2, 3, 4 | dicfnN 41985 | . 2 ⊢ ((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) → 𝐼 Fn {𝑝 ∈ 𝐴 ∣ ¬ 𝑝 ≤ 𝑊}) |
| 6 | 5 | fndmd 6640 | 1 ⊢ ((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) → dom 𝐼 = {𝑝 ∈ 𝐴 ∣ ¬ 𝑝 ≤ 𝑊}) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 400 = wceq 1569 ∈ wcel 2142 {crab 3415 class class class wbr 5108 dom cdm 5660 ‘cfv 6536 lecple 17323 Atomscatm 40065 LHypclh 40786 DIsoCcdic 41974 |
| 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-riota 7369 df-dic 41975 |
| This theorem is used by: dicvalrelN 41987 |
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