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| Mirrors > Home > ILE Home > Th. List > elmapi | GIF version | ||
| Description: A mapping is a function, forward direction only with superfluous antecedent removed. (Contributed by Stefan O'Rear, 10-Oct-2014.) |
| Ref | Expression |
|---|---|
| elmapi | ⊢ (𝐴 ∈ (𝐵 ↑𝑚 𝐶) → 𝐴:𝐶⟶𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elmapex 6829 | . . 3 ⊢ (𝐴 ∈ (𝐵 ↑𝑚 𝐶) → (𝐵 ∈ V ∧ 𝐶 ∈ V)) | |
| 2 | elmapg 6821 | . . 3 ⊢ ((𝐵 ∈ V ∧ 𝐶 ∈ V) → (𝐴 ∈ (𝐵 ↑𝑚 𝐶) ↔ 𝐴:𝐶⟶𝐵)) | |
| 3 | 1, 2 | syl 14 | . 2 ⊢ (𝐴 ∈ (𝐵 ↑𝑚 𝐶) → (𝐴 ∈ (𝐵 ↑𝑚 𝐶) ↔ 𝐴:𝐶⟶𝐵)) |
| 4 | 3 | ibi 176 | 1 ⊢ (𝐴 ∈ (𝐵 ↑𝑚 𝐶) → 𝐴:𝐶⟶𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 ∈ wcel 2200 Vcvv 2799 ⟶wf 5317 (class class class)co 6010 ↑𝑚 cmap 6808 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4259 ax-pr 4294 ax-un 4525 ax-setind 4630 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-v 2801 df-sbc 3029 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-id 4385 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-rn 4731 df-iota 5281 df-fun 5323 df-fn 5324 df-f 5325 df-fv 5329 df-ov 6013 df-oprab 6014 df-mpo 6015 df-map 6810 |
| This theorem is referenced by: elmapfn 6831 elmapfun 6832 elmapssres 6833 mapsspm 6842 map0b 6847 mapss 6851 mapsncnv 6855 mapen 7020 mapxpen 7022 nninff 7305 ismkvnex 7338 nninfwlpoim 7362 nninfinfwlpo 7363 finacn 7402 acnccim 7474 psrbagf 14655 psrbagfi 14658 mplsubgfilemcl 14684 plycn 15457 dvply2g 15461 bj-charfunr 16282 2omap 16472 nninfalllem1 16488 nninfall 16489 nninfsellemdc 16490 nninfsellemqall 16495 nninfomnilem 16498 isomninnlem 16512 trilpo 16525 iswomninnlem 16531 iswomni0 16533 ismkvnnlem 16534 redcwlpo 16537 nconstwlpo 16548 neapmkv 16550 |
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