diff --git a/public/index.html b/public/index.html
index 06878afbd..7db18538c 100644
--- a/public/index.html
+++ b/public/index.html
@@ -3089,7 +3089,8 @@
                     <div class="inline-drawer-toggle inline-drawer-header gap5px">
                         <span class="drag-handle">&#9776;</span>
                         <div class="gap5px world_entry_thin_controls wide100p">
-                            <div class="world_entry_form_control">
+
+                            <div class="world_entry_form_control flex1">
                                 <label for="key">
                                     <small>
                                         <span data-i18n="Keywords">
@@ -3108,11 +3109,18 @@
                                 </label>
                                 <textarea class="text_pole keyprimarytextpole" name="key" rows="1" placeholder="Comma separated (required)" maxlength="1000"></textarea>
                             </div>
-                            <div class="world_entry_form_control keysecondary">
+                            <div class="flex-container widthFitContent alignItemsFlexEnd">
+                                <select name="entryLogicType" class="height32px widthFitContent margin0">
+                                    <option value="0">AND</option>
+                                    <option value="1">NOT</option>
+                                </select>
+                            </div>
+
+                            <div class="world_entry_form_control keysecondary flex1">
                                 <label for="keysecondary">
                                     <small>
                                         <span data-i18n="Secondary Required Keywords">
-                                            Secondary Required Keywords
+                                            Optional Filter
                                         </span>
                                     </small>
                                     <small class="displayNone">
@@ -3129,7 +3137,7 @@
                     <div class="inline-drawer-content flex-container">
                         <div class="WIEntryContentAndMemo flex-container">
                             <div class="world_entry_thin_controls flex2">
-                                <div class="world_entry_form_control">
+                                <div class="world_entry_form_control flex1">
                                     <label for="content ">
                                         <small>
                                             <span data-i18n="Content">
@@ -3150,7 +3158,7 @@
                                 </div>
                             </div>
                             <div class="world_entry_thin_controls commentContainer">
-                                <div class="world_entry_form_control">
+                                <div class="world_entry_form_control flex1">
                                     <label for="comment">
                                         <small>
                                             <span data-i18n="Memo/Note">
@@ -3189,18 +3197,16 @@
                                     <input type="checkbox" name="addMemo">
                                     <span data-i18n="Add Memo">Add Memo</span>
                                 </label>
-
                                 <label class="checkbox flex-container alignitemscenter">
                                     <input type="checkbox" name="exclude_recursion" />
                                     <span data-i18n="Exclude from recursion">
                                         Non-recursable
                                     </span>
                                 </label>
-
-
                             </div>
 
-                            <!--                             <div name="injectioStratBlock" class="world_entry_form_control world_entry_form_radios  wi-enter-footer-text ">
+                            <!--
+                            <div name="injectioStratBlock" class="world_entry_form_control world_entry_form_radios  wi-enter-footer-text ">
                                 <label for="injectionStrat">Injection:</label>
                                 <small>
                                     <select name="injectionStrat">
@@ -3209,7 +3215,8 @@
                                         <option value="2">Disabled</option>
                                     </select>
                                 </small>
-                            </div> -->
+                            </div>
+                         -->
 
                             <div name="PositionBlock" class="world_entry_form_control world_entry_form_radios  wi-enter-footer-text ">
                                 <label for="position">Position:</label>
diff --git a/public/scripts/world-info.js b/public/scripts/world-info.js
index 8467e0fa0..e04cfe0d2 100644
--- a/public/scripts/world-info.js
+++ b/public/scripts/world-info.js
@@ -363,6 +363,24 @@ function appendWorldEntry(name, data, entry) {
     keyInput.val(entry.key.join(",")).trigger("input");
     initScrollHeight(keyInput);
 
+    // logic AND/NOT
+    const selectiveLogicDropdown = template.find('select[name="entryLogicType"]');
+    selectiveLogicDropdown.data("uid", entry.uid);
+
+    selectiveLogicDropdown.on("input", function () {
+        const uid = $(this).data("uid");
+        const value = Number($(this).val());
+        console.debug(`logic for ${entry.uid} set to ${value}`)
+        data.entries[uid].selectiveLogic = !isNaN(value) ? value : 0;
+        setOriginalDataValue(data, uid, "selectiveLogic", data.entries[uid].selectiveLogic);
+        saveWorldInfo(name, data);
+
+    });
+    template
+        .find(`select[name="entryLogicType"] option[value=${entry.selectiveLogic}]`)
+        .prop("selected", true)
+        .trigger("input");
+
     // keysecondary
     const keySecondaryInput = template.find('textarea[name="keysecondary"]');
     keySecondaryInput.data("uid", entry.uid);
@@ -465,6 +483,7 @@ function appendWorldEntry(name, data, entry) {
         value ? keysecondary.show() : keysecondary.hide();
 
     });
+    //forced on, ignored if empty
     selectiveInput.prop("checked", true /* entry.selective */).trigger("input");
     selectiveInput.parent().hide();
 
@@ -548,6 +567,7 @@ function appendWorldEntry(name, data, entry) {
 
         probabilityInput.val(data.entries[uid].probability).trigger("input");
     });
+    //forced on, 100% by default
     probabilityToggle.prop("checked", true /* entry.useProbability */).trigger("input");
     probabilityToggle.parent().hide();
 
@@ -632,14 +652,15 @@ function createWorldInfoEntry(name, data) {
         comment: "",
         content: "",
         constant: false,
-        selective: false,
+        selective: true,
+        selectiveLogic: 0,
         addMemo: false,
         order: 100,
         position: 0,
         disable: false,
         excludeRecursion: false,
-        probability: null,
-        useProbability: false,
+        probability: 100,
+        useProbability: true,
     };
     const newUid = getFreeWorldEntryUid(data);
 
@@ -923,27 +944,51 @@ async function checkWorldInfo(chat, maxContext) {
                 continue;
             }
 
-            if (Array.isArray(entry.key) && entry.key.length) {
+            if (Array.isArray(entry.key) && entry.key.length) { //check for keywords existing
                 primary: for (let key of entry.key) {
                     const substituted = substituteParams(key);
+                    console.debug(`${entry.uid}: ${substituted}`)
                     if (substituted && matchKeys(textToScan, substituted.trim())) {
+                        console.debug(`${entry.uid}: got primary match`)
+                        //selective logic begins
                         if (
-                            entry.selective &&
-                            Array.isArray(entry.keysecondary) &&
-                            entry.keysecondary.length
+                            entry.selective && //all entries are selective now
+                            Array.isArray(entry.keysecondary) && //always true
+                            entry.keysecondary.length //ignore empties
                         ) {
+                            console.debug(`uid:${entry.uid}: checking logic: ${entry.selectiveLogic}`)
                             secondary: for (let keysecondary of entry.keysecondary) {
                                 const secondarySubstituted = substituteParams(keysecondary);
-                                if (secondarySubstituted && matchKeys(textToScan, secondarySubstituted.trim())) {
-                                    activatedNow.add(entry);
-                                    break secondary;
+                                console.debug(`uid:${entry.uid}: filtering ${secondarySubstituted}`)
+                                //AND operator
+                                if (entry.selectiveLogic === 0) {
+                                    console.debug('saw AND logic, checking..')
+                                    if (secondarySubstituted && matchKeys(textToScan, secondarySubstituted.trim())) {
+                                        console.log(`activating entry ${entry.uid} with AND found`)
+                                        activatedNow.add(entry);
+                                        break secondary;
+                                    }
+                                }
+                                //NOT operator
+                                if (entry.selectiveLogic === 1) {
+                                    console.debug(`uid ${entry.uid}: checking NOT logic for ${secondarySubstituted}`)
+                                    if (secondarySubstituted && matchKeys(textToScan, secondarySubstituted.trim())) {
+                                        console.debug(`uid ${entry.uid}: canceled; filtered out by ${secondarySubstituted}`)
+                                        break primary;
+                                    } else {
+                                        console.debug(`${entry.uid}: activated; passed NOT filter`)
+                                        activatedNow.add(entry);
+                                        break secondary;
+                                    }
                                 }
                             }
+                            //handle cases where secondary is empty
                         } else {
+                            console.debug(`uid ${entry.uid}: activated without filter logic`)
                             activatedNow.add(entry);
                             break primary;
                         }
-                    }
+                    } else { console.debug('no active entries for logic checks yet') }
                 }
             }
         }
@@ -954,15 +999,16 @@ async function checkWorldInfo(chat, maxContext) {
         let newContent = "";
         const textToScanTokens = getTokenCount(allActivatedText);
         const probabilityChecksBefore = failedProbabilityChecks.size;
-
+        console.debug(`-- PROBABILITY CHECKS BEGIN --`)
         for (const entry of newEntries) {
             const rollValue = Math.random() * 100;
 
+
             if (entry.useProbability && rollValue > entry.probability) {
-                console.debug(`WI entry ${entry.key} failed probability check, skipping`);
+                console.debug(`WI entry ${entry.uid} ${entry.key} failed probability check, skipping`);
                 failedProbabilityChecks.add(entry);
                 continue;
-            }
+            } else { console.debug(`uid:${entry.uid} passed probability check, inserting to prompt`) }
 
             newContent += `${substituteParams(entry.content)}\n`;
 
diff --git a/public/style.css b/public/style.css
index ae87fefe2..48c93ebd4 100644
--- a/public/style.css
+++ b/public/style.css
@@ -1408,6 +1408,10 @@ body.big-avatars .ch_description {
     align-items: flex-start !important;
 }
 
+.alignItemsFlexEnd {
+    align-items: flex-end !important;
+}
+
 .alignSelfStart {
     align-self: start;
 }
@@ -1885,6 +1889,10 @@ grammarly-extension {
     background-color: var(--white30a);
 }
 
+.height32px {
+    height: 32px;
+}
+
 
 
 
@@ -2127,9 +2135,9 @@ grammarly-extension {
     flex-direction: row;
 }
 
-.world_entry_thin_controls>div {
+/* .world_entry_thin_controls>div {
     flex: 1;
-}
+} */
 
 .world_entry_form_control label h4 {
     margin-bottom: 0;