| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > elrnmptd | Structured version Visualization version GIF version | ||
| Description: The range of a function in maps-to notation. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
| Ref | Expression |
|---|---|
| elrnmptd.f | ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) |
| elrnmptd.x | ⊢ (𝜑 → ∃𝑥 ∈ 𝐴 𝐶 = 𝐵) |
| elrnmptd.c | ⊢ (𝜑 → 𝐶 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| elrnmptd | ⊢ (𝜑 → 𝐶 ∈ ran 𝐹) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrnmptd.x | . 2 ⊢ (𝜑 → ∃𝑥 ∈ 𝐴 𝐶 = 𝐵) | |
| 2 | elrnmptd.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ 𝑉) | |
| 3 | elrnmptd.f | . . . 4 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | elrnmpt 5913 | . . 3 ⊢ (𝐶 ∈ 𝑉 → (𝐶 ∈ ran 𝐹 ↔ ∃𝑥 ∈ 𝐴 𝐶 = 𝐵)) |
| 5 | 2, 4 | syl 17 | . 2 ⊢ (𝜑 → (𝐶 ∈ ran 𝐹 ↔ ∃𝑥 ∈ 𝐴 𝐶 = 𝐵)) |
| 6 | 1, 5 | mpbird 257 | 1 ⊢ (𝜑 → 𝐶 ∈ ran 𝐹) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1542 ∈ wcel 2114 ∃wrex 3061 ↦ cmpt 5166 ran crn 5632 |
| 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-pr 5375 |
| 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-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-br 5086 df-opab 5148 df-mpt 5167 df-cnv 5639 df-dm 5641 df-rn 5642 |
| This theorem is referenced by: pwfilem 9228 evls1maprnss 22343 elrgspnlem1 33303 elrgspnlem2 33304 elrgspnlem3 33305 nsgmgc 33472 nsgqusf1olem1 33473 algextdeglem4 33864 zarclsun 34014 rnmptssrn 45612 infnsuprnmpt 45679 supminfrnmpt 45873 supminfxrrnmpt 45899 sge0sup 46819 sge0resplit 46834 sge0xaddlem2 46862 sge0pnfmpt 46873 sge0reuz 46875 sge0reuzb 46876 hoidmvlelem2 47024 |
| Copyright terms: Public domain | W3C validator |