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| 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 5909 | . . 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 3062 ↦ cmpt 5167 ran crn 5627 |
| 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 2709 ax-sep 5232 ax-pr 5372 |
| 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-mpt 5168 df-cnv 5634 df-dm 5636 df-rn 5637 |
| This theorem is referenced by: pwfilem 9223 evls1maprnss 22357 elrgspnlem1 33322 elrgspnlem2 33323 elrgspnlem3 33324 nsgmgc 33491 nsgqusf1olem1 33492 algextdeglem4 33884 zarclsun 34034 rnmptssrn 45634 infnsuprnmpt 45701 supminfrnmpt 45895 supminfxrrnmpt 45921 sge0sup 46841 sge0resplit 46856 sge0xaddlem2 46884 sge0pnfmpt 46895 sge0reuz 46897 sge0reuzb 46898 hoidmvlelem2 47046 |
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