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| 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 7315 | . 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 1398 infcinf 7287 |
| 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 2216 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-rab 2531 df-uni 3920 df-sup 7288 df-inf 7289 |
| This theorem is referenced by: infssfzcldc 10618 infssfzledc 10619 zsupssdc 10622 xrbdtri 11986 nnmindc 12755 nnminle 12756 lcmval 12785 lcmass 12807 odzval 12964 ballotfilemi 13187 ballotfi 13226 nninfdclemcl 13283 nninfdclemp1 13285 nninfdc 13288 bdmetval 15491 bdxmet 15492 qtopbasss 15512 hovera 15638 hoverb 15639 hoverlt1 15640 hovergt0 15641 ivthdich 15644 repiecele0 16936 repiecege0 16937 repiecef 16938 |
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