| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > supeq1d | GIF version | ||
| Description: Equality deduction for supremum. (Contributed by Paul Chapman, 22-Jun-2011.) |
| Ref | Expression |
|---|---|
| supeq1d.1 | ⊢ (𝜑 → 𝐵 = 𝐶) |
| Ref | Expression |
|---|---|
| supeq1d | ⊢ (𝜑 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | supeq1d.1 | . 2 ⊢ (𝜑 → 𝐵 = 𝐶) | |
| 2 | supeq1 7326 | . 2 ⊢ (𝐵 = 𝐶 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅)) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 supcsup 7322 |
| 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-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-uni 3936 df-sup 7324 |
| This theorem is used by: sup3exmid 9288 supminfex 9999 suprzubdc 10673 minmax 11998 xrminmax 12033 xrminrecl 12041 xrminadd 12043 gcdval 12738 gcdass 12794 pceulem 13075 pceu 13076 pcval 13077 pczpre 13078 pcdiv 13083 pcneg 13106 prdsex 14174 prdsval 14175 xmetxp 15610 xmetxpbl 15611 txmetcnp 15621 qtopbasss 15624 hovera 15750 hoverb 15751 hoverlt1 15752 hovergt0 15753 ivthdich 15756 repiecele0 17087 repiecege0 17088 repiecef 17089 |
| Copyright terms: Public domain | W3C validator |