| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > infeq1d | GIF version | ||
| Description: Equality deduction for infimum. (Contributed by AV, 2-Sep-2020.) |
| Ref | Expression |
|---|---|
| infeq1d.1 | ⊢ (𝜑 → 𝐵 = 𝐶) |
| Ref | Expression |
|---|---|
| infeq1d | ⊢ (𝜑 → inf(𝐵, 𝐴, 𝑅) = inf(𝐶, 𝐴, 𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | infeq1d.1 | . 2 ⊢ (𝜑 → 𝐵 = 𝐶) | |
| 2 | infeq1 7086 | . 2 ⊢ (𝐵 = 𝐶 → inf(𝐵, 𝐴, 𝑅) = inf(𝐶, 𝐴, 𝑅)) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → inf(𝐵, 𝐴, 𝑅) = inf(𝐶, 𝐴, 𝑅)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1364 infcinf 7058 |
| 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 |
| This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-rab 2484 df-uni 3841 df-sup 7059 df-inf 7060 |
| This theorem is referenced by: zsupssdc 10347 xrbdtri 11460 nnmindc 12228 nnminle 12229 lcmval 12258 lcmass 12280 odzval 12437 nninfdclemcl 12692 nninfdclemp1 12694 nninfdc 12697 bdmetval 14844 bdxmet 14845 qtopbasss 14865 hovera 14991 hoverb 14992 hoverlt1 14993 hovergt0 14994 ivthdich 14997 |
| Copyright terms: Public domain | W3C validator |