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| Mirrors > Home > MPE Home > Th. List > fvelimabd | Structured version Visualization version GIF version | ||
| Description: Deduction form of fvelimab 6958. (Contributed by Stanislas Polu, 9-Mar-2020.) |
| Ref | Expression |
|---|---|
| fvelimabd.1 | ⊢ (𝜑 → 𝐹 Fn 𝐴) |
| fvelimabd.2 | ⊢ (𝜑 → 𝐵 ⊆ 𝐴) |
| Ref | Expression |
|---|---|
| fvelimabd | ⊢ (𝜑 → (𝐶 ∈ (𝐹 “ 𝐵) ↔ ∃𝑥 ∈ 𝐵 (𝐹‘𝑥) = 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvelimabd.1 | . 2 ⊢ (𝜑 → 𝐹 Fn 𝐴) | |
| 2 | fvelimabd.2 | . 2 ⊢ (𝜑 → 𝐵 ⊆ 𝐴) | |
| 3 | fvelimab 6958 | . 2 ⊢ ((𝐹 Fn 𝐴 ∧ 𝐵 ⊆ 𝐴) → (𝐶 ∈ (𝐹 “ 𝐵) ↔ ∃𝑥 ∈ 𝐵 (𝐹‘𝑥) = 𝐶)) | |
| 4 | 1, 2, 3 | syl2anc 596 | 1 ⊢ (𝜑 → (𝐶 ∈ (𝐹 “ 𝐵) ↔ ∃𝑥 ∈ 𝐵 (𝐹‘𝑥) = 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1569 ∈ wcel 2144 ∃wrex 3086 ⊆ wss 3895 “ cima 5653 Fn wfn 6534 ‘cfv 6539 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6541 df-fn 6542 df-fv 6547 |
| This theorem is used by: unima 6961 resf1extb 7947 swrdrn3 14807 ghmqusnsglem1 19500 ghmquskerlem1 19503 lmhmima 21328 mdegldg 26390 ig1peu 26499 2ndimaxp 33288 fnpreimac 33312 fsuppcurry1 33363 fsuppcurry2 33364 esplyfv1 34248 esplyfv 34249 esplyfval3 34251 fnrelpredd 35773 bj-gabima 37946 extoimad 45258 upgrimpths 49101 |
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