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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 5908 | . . 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 5180 ran crn 5626 |
| 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 5242 ax-nul 5252 ax-pr 5378 |
| 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 3062 df-rab 3401 df-v 3443 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 df-opab 5162 df-mpt 5181 df-cnv 5633 df-dm 5635 df-rn 5636 |
| This theorem is referenced by: pwfilem 9222 evls1maprnss 22326 elrgspnlem1 33326 elrgspnlem2 33327 elrgspnlem3 33328 nsgmgc 33495 nsgqusf1olem1 33496 algextdeglem4 33879 zarclsun 34029 rnmptssrn 45493 infnsuprnmpt 45561 supminfrnmpt 45756 supminfxrrnmpt 45782 sge0sup 46702 sge0resplit 46717 sge0xaddlem2 46745 sge0pnfmpt 46756 sge0reuz 46758 sge0reuzb 46759 hoidmvlelem2 46907 |
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