| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > imaeq2d | GIF version | ||
| Description: Equality theorem for image. (Contributed by FL, 15-Dec-2006.) |
| Ref | Expression |
|---|---|
| imaeq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| imaeq2d | ⊢ (𝜑 → (𝐶 “ 𝐴) = (𝐶 “ 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imaeq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | imaeq2 5078 | . 2 ⊢ (𝐴 = 𝐵 → (𝐶 “ 𝐴) = (𝐶 “ 𝐵)) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (𝐶 “ 𝐴) = (𝐶 “ 𝐵)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 “ cima 4734 |
| 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-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-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-sn 3679 df-pr 3680 df-op 3682 df-br 4094 df-opab 4156 df-xp 4737 df-cnv 4739 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 |
| This theorem is referenced by: imaeq12d 5083 nfimad 5091 elimasng 5111 ressn 5284 foima 5573 f1imacnv 5609 fvco2 5724 fsn2 5829 fncofn 5840 resfunexg 5883 funfvima3 5898 funiunfvdm 5914 isoselem 5971 fnexALT 6282 suppsnopdc 6428 suppcofn 6444 imacosuppfn 6446 eceq1 6780 uniqs2 6807 ecinxp 6822 mapsn 6902 en2 7041 phplem4 7084 phplem4dom 7091 phplem4on 7097 sbthlem2 7200 isbth 7209 resunimafz0 11141 ennnfonelemg 13087 ennnfonelemhf1o 13097 ennnfonelemex 13098 ennnfonelemrn 13103 cnntr 15019 cnptopresti 15032 cnptoprest 15033 eupth2lem3fi 16400 eupth2fi 16403 |
| Copyright terms: Public domain | W3C validator |