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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 6881 | . . 3 ⊢ (𝐴 ∈ (𝐵 ↑𝑚 𝐶) → (𝐵 ∈ V ∧ 𝐶 ∈ V)) | |
| 2 | elmapg 6873 | . . 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 2202 Vcvv 2803 ⟶wf 5329 (class class class)co 6028 ↑𝑚 cmap 6860 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-v 2805 df-sbc 3033 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-fv 5341 df-ov 6031 df-oprab 6032 df-mpo 6033 df-map 6862 |
| This theorem is referenced by: elmapfn 6883 elmapfun 6884 elmapssres 6885 mapsspm 6894 map0b 6899 mapss 6903 mapsncnv 6907 mapen 7075 mapxpen 7077 nninff 7364 ismkvnex 7397 nninfwlpoim 7421 nninfinfwlpo 7422 finacn 7462 acnccim 7534 psrbagf 14746 psrbagfi 14750 mplsubgfilemcl 14780 plycn 15553 dvply2g 15557 bj-charfunr 16506 2omap 16695 nninfalllem1 16714 nninfall 16715 nninfsellemdc 16716 nninfsellemqall 16721 nninfomnilem 16724 isomninnlem 16742 trilpo 16755 iswomninnlem 16762 iswomni0 16764 ismkvnnlem 16765 redcwlpo 16768 nconstwlpo 16779 neapmkv 16781 |
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