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| Mirrors > Home > MPE Home > Th. List > elpm | Structured version Visualization version GIF version | ||
| Description: The predicate "is a partial function". (Contributed by NM, 15-Nov-2007.) (Revised by Mario Carneiro, 14-Nov-2013.) |
| Ref | Expression |
|---|---|
| elmap.1 | ⊢ 𝐴 ∈ V |
| elmap.2 | ⊢ 𝐵 ∈ V |
| Ref | Expression |
|---|---|
| elpm | ⊢ (𝐹 ∈ (𝐴 ↑pm 𝐵) ↔ (Fun 𝐹 ∧ 𝐹 ⊆ (𝐵 × 𝐴))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elmap.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | elmap.2 | . 2 ⊢ 𝐵 ∈ V | |
| 3 | elpmg 8790 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐹 ∈ (𝐴 ↑pm 𝐵) ↔ (Fun 𝐹 ∧ 𝐹 ⊆ (𝐵 × 𝐴)))) | |
| 4 | 1, 2, 3 | mp2an 693 | 1 ⊢ (𝐹 ∈ (𝐴 ↑pm 𝐵) ↔ (Fun 𝐹 ∧ 𝐹 ⊆ (𝐵 × 𝐴))) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 ∈ wcel 2114 Vcvv 3429 ⊆ wss 3889 × cxp 5629 Fun wfun 6492 (class class class)co 7367 ↑pm cpm 8774 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-pow 5307 ax-pr 5375 ax-un 7689 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-sbc 3729 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-id 5526 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-iota 6454 df-fun 6500 df-fv 6506 df-ov 7370 df-oprab 7371 df-mpo 7372 df-pm 8776 |
| This theorem is referenced by: pjpm 21688 |
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