| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > mapval | GIF version | ||
| Description: The value of set exponentiation (inference version). (𝐴 ↑𝑚 𝐵) is the set of all functions that map from 𝐵 to 𝐴. Definition 10.24 of [Kunen] p. 24. (Contributed by NM, 8-Dec-2003.) |
| Ref | Expression |
|---|---|
| mapval.1 | ⊢ 𝐴 ∈ V |
| mapval.2 | ⊢ 𝐵 ∈ V |
| Ref | Expression |
|---|---|
| mapval | ⊢ (𝐴 ↑𝑚 𝐵) = {𝑓 ∣ 𝑓:𝐵⟶𝐴} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mapval.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | mapval.2 | . 2 ⊢ 𝐵 ∈ V | |
| 3 | mapvalg 6832 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴 ↑𝑚 𝐵) = {𝑓 ∣ 𝑓:𝐵⟶𝐴}) | |
| 4 | 1, 2, 3 | mp2an 426 | 1 ⊢ (𝐴 ↑𝑚 𝐵) = {𝑓 ∣ 𝑓:𝐵⟶𝐴} |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1397 ∈ wcel 2201 {cab 2216 Vcvv 2801 ⟶wf 5324 (class class class)co 6023 ↑𝑚 cmap 6822 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-setind 4637 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-ral 2514 df-rex 2515 df-v 2803 df-sbc 3031 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-br 4090 df-opab 4152 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-iota 5288 df-fun 5330 df-fn 5331 df-f 5332 df-fv 5336 df-ov 6026 df-oprab 6027 df-mpo 6028 df-map 6824 |
| This theorem is referenced by: exmidpw2en 7109 nninfex 7325 psrval 14704 |
| Copyright terms: Public domain | W3C validator |