From 1d3bbec4660dfe4e2117826ceef9b32758b40345 Mon Sep 17 00:00:00 2001
From: Kai Stevenson <kai@kaistevenson.com>
Date: Tue, 13 Jun 2023 14:50:00 -0700
Subject: restructured project

---
 eval.c | 59 -----------------------------------------------------------
 1 file changed, 59 deletions(-)
 delete mode 100644 eval.c

(limited to 'eval.c')

diff --git a/eval.c b/eval.c
deleted file mode 100644
index 9132272..0000000
--- a/eval.c
+++ /dev/null
@@ -1,59 +0,0 @@
-#include <stdlib.h>
-#include "eval.h"
-#include "stdio.h"
-#include "parse.h"
-char just_is_sound(line_t line, lineSet_t lines) {
-	prop_t prop = line.proposition;
-	just_t just = line.justification;
-	prop_t a, b, w, x, y, z;
-	line_t wl, xl, yl, zl;
-	switch (just.rule) {
-		case PREMISE_R:
-			return 1;
-		case ASSUMPTION_R:
-			return 1;
-		case CONJUNCT_INTRO:
-			a = *prop.propA;
-			b = *prop.propB;
-			wl = lines.lines[just.references[0] - 1];
-			xl = lines.lines[just.references[1] - 1];
-			w = wl.proposition;
-			x = xl.proposition;
-			/* the references are in a deeper scope than the justification */
-			if (!seqlt(line.scope, wl.scope) || !seqlt(line.scope, xl.scope)) {
-				return 0;
-			}
-			return (peq(a, w) && peq(b, x)) || (peq(a, x) && peq(b, w));
-		case DISJUNCT_INTRO:
-			a = *prop.propA;
-			b = *prop.propB;
-			w = lines.lines[just.references[0] - 1].proposition;
-			return peq(a, w) || peq(b, w);
-		case IMPLICATION_INTRO:
-			a = *prop.propA;
-			b = *prop.propB;
-			wl = lines.lines[just.references[0] - 1];
-			xl = lines.lines[just.references[1] - 1];
-			line_t as;
-			line_t res;
-			/* find the positions of the arguments */
-			if (peq(a, wl.proposition) && peq(b, xl.proposition)) {
-				as = wl;
-				res = xl;
-			}
-			else if (peq(a, xl.proposition) && peq(b, wl.proposition)) {
-				as = xl;
-				res = wl;
-			}
-			else {
-				return 0;
-			}
-			/* ensure that the arguments are in the correct scope */
-			return as.scope.id == res.scope.id && as.scope.depth == line.scope.depth + 1;
-		case CONJUNCT_ELIM:
-			w = lines.lines[just.references[0] - 1].proposition;
-			return peq(prop, *w.propA) || peq(prop, *w.propB);
-		default:
-			return 0;
-	}
-}
-- 
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