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| Mirrors > Home > ILE Home > Th. List > nffvmpt1 | GIF version | ||
| Description: Bound-variable hypothesis builder for mapping, special case. (Contributed by Mario Carneiro, 25-Dec-2016.) |
| Ref | Expression |
|---|---|
| nffvmpt1 | ⊢ Ⅎ𝑥((𝑥 ∈ 𝐴 ↦ 𝐵)‘𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfmpt1 4226 | . 2 ⊢ Ⅎ𝑥(𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | nfcv 2392 | . 2 ⊢ Ⅎ𝑥𝐶 | |
| 3 | 1, 2 | nffv 5708 | 1 ⊢ Ⅎ𝑥((𝑥 ∈ 𝐴 ↦ 𝐵)‘𝐶) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: Ⅎwnfc 2379 ↦ cmpt 4193 ‘cfv 5380 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-mpt 4195 df-iota 5340 df-fv 5388 |
| This theorem is used by: fvmptt 5800 fmptco 5877 offval2 6322 ofrfval2 6323 mptelixpg 7020 dom2lem 7062 cc2 7639 fsumf1o 12182 fsum3cvg2 12186 fsumadd 12198 isummulc2 12218 isumshft 12282 fprodf1o 12380 prdsbas3 14294 txcnp 15497 cnmpt1t 15511 elplyd 15967 |
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